Home / 45,507.48-68,251.50-14,325.72

Finding the Fourth Proportional to 45,507.48, 68,251.50 and 14,325.72

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Solution

The fourth proportional to 45,507.48, 68,251.50 and 14,325.72 is: 21,485.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,507.48 : 68,251.50 = 14,325.72 : x
  2. Step 2: Convert to fraction form
    45,507.48/68,251.50 = 14,325.72/x
  3. Step 3: Cross multiply
    45,507.48x = 68,251.50 × 14,325.72
  4. Step 4: Simplify right side
    45,507.48x = 977,751,878.58
  5. Step 5: Solve for x
    x = 977,751,878.58/45,507.48
  6. Step 6: Final answer
    x = 21,485.52

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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.