Home / 50,125.08-69,146.37-30,998.76

Finding the Fourth Proportional to 50,125.08, 69,146.37 and 30,998.76

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Solution

The fourth proportional to 50,125.08, 69,146.37 and 30,998.76 is: 42,762.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,125.08 : 69,146.37 = 30,998.76 : x
  2. Step 2: Convert to fraction form
    50,125.08/69,146.37 = 30,998.76/x
  3. Step 3: Cross multiply
    50,125.08x = 69,146.37 × 30,998.76
  4. Step 4: Simplify right side
    50,125.08x = 2,143,451,728.50
  5. Step 5: Solve for x
    x = 2,143,451,728.50/50,125.08
  6. Step 6: Final answer
    x = 42,762.06

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.