Home / 87,371.55-131,084.84-31,210.43

Finding the Fourth Proportional to 87,371.55, 131,084.84 and 31,210.43

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Solution

The fourth proportional to 87,371.55, 131,084.84 and 31,210.43 is: 46,825.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,371.55 : 131,084.84 = 31,210.43 : x
  2. Step 2: Convert to fraction form
    87,371.55/131,084.84 = 31,210.43/x
  3. Step 3: Cross multiply
    87,371.55x = 131,084.84 × 31,210.43
  4. Step 4: Simplify right side
    87,371.55x = 4,091,213,411.40
  5. Step 5: Solve for x
    x = 4,091,213,411.40/87,371.55
  6. Step 6: Final answer
    x = 46,825.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.