Home / 87,404.60-120,614.76-51,606.15

Finding the Fourth Proportional to 87,404.60, 120,614.76 and 51,606.15

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Solution

The fourth proportional to 87,404.60, 120,614.76 and 51,606.15 is: 71,214.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,404.60 : 120,614.76 = 51,606.15 : x
  2. Step 2: Convert to fraction form
    87,404.60/120,614.76 = 51,606.15/x
  3. Step 3: Cross multiply
    87,404.60x = 120,614.76 × 51,606.15
  4. Step 4: Simplify right side
    87,404.60x = 6,224,463,396.77
  5. Step 5: Solve for x
    x = 6,224,463,396.77/87,404.60
  6. Step 6: Final answer
    x = 71,214.37

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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.