Home / 87,414.17-120,629.96-51,119.07

Finding the Fourth Proportional to 87,414.17, 120,629.96 and 51,119.07

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Solution

The fourth proportional to 87,414.17, 120,629.96 and 51,119.07 is: 70,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,414.17 : 120,629.96 = 51,119.07 : x
  2. Step 2: Convert to fraction form
    87,414.17/120,629.96 = 51,119.07/x
  3. Step 3: Cross multiply
    87,414.17x = 120,629.96 × 51,119.07
  4. Step 4: Simplify right side
    87,414.17x = 6,166,491,113.74
  5. Step 5: Solve for x
    x = 6,166,491,113.74/87,414.17
  6. Step 6: Final answer
    x = 70,543.39

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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.