Home / 87,737.59-121,077.87-47,451.35

Finding the Fourth Proportional to 87,737.59, 121,077.87 and 47,451.35

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Solution

The fourth proportional to 87,737.59, 121,077.87 and 47,451.35 is: 65,482.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,737.59 : 121,077.87 = 47,451.35 : x
  2. Step 2: Convert to fraction form
    87,737.59/121,077.87 = 47,451.35/x
  3. Step 3: Cross multiply
    87,737.59x = 121,077.87 × 47,451.35
  4. Step 4: Simplify right side
    87,737.59x = 5,745,308,660.30
  5. Step 5: Solve for x
    x = 5,745,308,660.30/87,737.59
  6. Step 6: Final answer
    x = 65,482.86

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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.