Home / 68,715.08-94,834.68-38,508.56

Finding the Fourth Proportional to 68,715.08, 94,834.68 and 38,508.56

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Solution

The fourth proportional to 68,715.08, 94,834.68 and 38,508.56 is: 53,146.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,715.08 : 94,834.68 = 38,508.56 : x
  2. Step 2: Convert to fraction form
    68,715.08/94,834.68 = 38,508.56/x
  3. Step 3: Cross multiply
    68,715.08x = 94,834.68 × 38,508.56
  4. Step 4: Simplify right side
    68,715.08x = 3,651,946,964.86
  5. Step 5: Solve for x
    x = 3,651,946,964.86/68,715.08
  6. Step 6: Final answer
    x = 53,146.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.