Home / 71,084.27-106,585.70-57,070.16

Finding the Fourth Proportional to 71,084.27, 106,585.70 and 57,070.16

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Solution

The fourth proportional to 71,084.27, 106,585.70 and 57,070.16 is: 85,572.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,084.27 : 106,585.70 = 57,070.16 : x
  2. Step 2: Convert to fraction form
    71,084.27/106,585.70 = 57,070.16/x
  3. Step 3: Cross multiply
    71,084.27x = 106,585.70 × 57,070.16
  4. Step 4: Simplify right side
    71,084.27x = 6,082,862,134.43
  5. Step 5: Solve for x
    x = 6,082,862,134.43/71,084.27
  6. Step 6: Final answer
    x = 85,572.55

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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.