Home / 50,325.04-75,490.08-19,162.72

Finding the Fourth Proportional to 50,325.04, 75,490.08 and 19,162.72

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Solution

The fourth proportional to 50,325.04, 75,490.08 and 19,162.72 is: 28,745.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,325.04 : 75,490.08 = 19,162.72 : x
  2. Step 2: Convert to fraction form
    50,325.04/75,490.08 = 19,162.72/x
  3. Step 3: Cross multiply
    50,325.04x = 75,490.08 × 19,162.72
  4. Step 4: Simplify right side
    50,325.04x = 1,446,595,265.82
  5. Step 5: Solve for x
    x = 1,446,595,265.82/50,325.04
  6. Step 6: Final answer
    x = 28,745.04

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.