Home / 87,737.16-121,076.93-47,450.97

Finding the Fourth Proportional to 87,737.16, 121,076.93 and 47,450.97

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Solution

The fourth proportional to 87,737.16, 121,076.93 and 47,450.97 is: 65,482.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,737.16 : 121,076.93 = 47,450.97 : x
  2. Step 2: Convert to fraction form
    87,737.16/121,076.93 = 47,450.97/x
  3. Step 3: Cross multiply
    87,737.16x = 121,076.93 × 47,450.97
  4. Step 4: Simplify right side
    87,737.16x = 5,745,217,535.87
  5. Step 5: Solve for x
    x = 5,745,217,535.87/87,737.16
  6. Step 6: Final answer
    x = 65,482.15

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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.