Home / 69,711.91-96,194.62-39,490.76

Finding the Fourth Proportional to 69,711.91, 96,194.62 and 39,490.76

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Solution

The fourth proportional to 69,711.91, 96,194.62 and 39,490.76 is: 54,492.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,711.91 : 96,194.62 = 39,490.76 : x
  2. Step 2: Convert to fraction form
    69,711.91/96,194.62 = 39,490.76/x
  3. Step 3: Cross multiply
    69,711.91x = 96,194.62 × 39,490.76
  4. Step 4: Simplify right side
    69,711.91x = 3,798,798,400.47
  5. Step 5: Solve for x
    x = 3,798,798,400.47/69,711.91
  6. Step 6: Final answer
    x = 54,492.82

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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.