Home / 53,419.90-73,720.11-29,545.96

Finding the Fourth Proportional to 53,419.90, 73,720.11 and 29,545.96

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Solution

The fourth proportional to 53,419.90, 73,720.11 and 29,545.96 is: 40,773.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,419.90 : 73,720.11 = 29,545.96 : x
  2. Step 2: Convert to fraction form
    53,419.90/73,720.11 = 29,545.96/x
  3. Step 3: Cross multiply
    53,419.90x = 73,720.11 × 29,545.96
  4. Step 4: Simplify right side
    53,419.90x = 2,178,131,421.26
  5. Step 5: Solve for x
    x = 2,178,131,421.26/53,419.90
  6. Step 6: Final answer
    x = 40,773.78

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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.