Home / 87,632.42-120,932.79-47,346.17

Finding the Fourth Proportional to 87,632.42, 120,932.79 and 47,346.17

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Solution

The fourth proportional to 87,632.42, 120,932.79 and 47,346.17 is: 65,337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,632.42 : 120,932.79 = 47,346.17 : x
  2. Step 2: Convert to fraction form
    87,632.42/120,932.79 = 47,346.17/x
  3. Step 3: Cross multiply
    87,632.42x = 120,932.79 × 47,346.17
  4. Step 4: Simplify right side
    87,632.42x = 5,725,704,433.91
  5. Step 5: Solve for x
    x = 5,725,704,433.91/87,632.42
  6. Step 6: Final answer
    x = 65,337.74

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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.