Home / 94,141.90-129,909.99-51,691.42

Finding the Fourth Proportional to 94,141.90, 129,909.99 and 51,691.42

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Solution

The fourth proportional to 94,141.90, 129,909.99 and 51,691.42 is: 71,330.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,141.90 : 129,909.99 = 51,691.42 : x
  2. Step 2: Convert to fraction form
    94,141.90/129,909.99 = 51,691.42/x
  3. Step 3: Cross multiply
    94,141.90x = 129,909.99 × 51,691.42
  4. Step 4: Simplify right side
    94,141.90x = 6,715,231,855.29
  5. Step 5: Solve for x
    x = 6,715,231,855.29/94,141.90
  6. Step 6: Final answer
    x = 71,330.96

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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.