Home / 87,262.28-120,418.64-53,327.52

Finding the Fourth Proportional to 87,262.28, 120,418.64 and 53,327.52

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Solution

The fourth proportional to 87,262.28, 120,418.64 and 53,327.52 is: 73,589.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,262.28 : 120,418.64 = 53,327.52 : x
  2. Step 2: Convert to fraction form
    87,262.28/120,418.64 = 53,327.52/x
  3. Step 3: Cross multiply
    87,262.28x = 120,418.64 × 53,327.52
  4. Step 4: Simplify right side
    87,262.28x = 6,421,627,432.97
  5. Step 5: Solve for x
    x = 6,421,627,432.97/87,262.28
  6. Step 6: Final answer
    x = 73,589.96

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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.