Home / 81,834.14-112,892.97-53,151.76

Finding the Fourth Proportional to 81,834.14, 112,892.97 and 53,151.76

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Solution

The fourth proportional to 81,834.14, 112,892.97 and 53,151.76 is: 73,324.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,834.14 : 112,892.97 = 53,151.76 : x
  2. Step 2: Convert to fraction form
    81,834.14/112,892.97 = 53,151.76/x
  3. Step 3: Cross multiply
    81,834.14x = 112,892.97 × 53,151.76
  4. Step 4: Simplify right side
    81,834.14x = 6,000,460,047.13
  5. Step 5: Solve for x
    x = 6,000,460,047.13/81,834.14
  6. Step 6: Final answer
    x = 73,324.65

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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.