Home / 85,229.76-117,614.70-48,930.12

Finding the Fourth Proportional to 85,229.76, 117,614.70 and 48,930.12

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Solution

The fourth proportional to 85,229.76, 117,614.70 and 48,930.12 is: 67,522.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,229.76 : 117,614.70 = 48,930.12 : x
  2. Step 2: Convert to fraction form
    85,229.76/117,614.70 = 48,930.12/x
  3. Step 3: Cross multiply
    85,229.76x = 117,614.70 × 48,930.12
  4. Step 4: Simplify right side
    85,229.76x = 5,754,901,384.76
  5. Step 5: Solve for x
    x = 5,754,901,384.76/85,229.76
  6. Step 6: Final answer
    x = 67,522.21

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1.5x scale

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.