Home / 71,146.39-106,715.73-36,085.13

Finding the Fourth Proportional to 71,146.39, 106,715.73 and 36,085.13

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Solution

The fourth proportional to 71,146.39, 106,715.73 and 36,085.13 is: 54,125.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,146.39 : 106,715.73 = 36,085.13 : x
  2. Step 2: Convert to fraction form
    71,146.39/106,715.73 = 36,085.13/x
  3. Step 3: Cross multiply
    71,146.39x = 106,715.73 × 36,085.13
  4. Step 4: Simplify right side
    71,146.39x = 3,850,850,990.09
  5. Step 5: Solve for x
    x = 3,850,850,990.09/71,146.39
  6. Step 6: Final answer
    x = 54,125.74

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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.