Home / 83,296.40-124,999.92-38,926.56

Finding the Fourth Proportional to 83,296.40, 124,999.92 and 38,926.56

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Solution

The fourth proportional to 83,296.40, 124,999.92 and 38,926.56 is: 58,415.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,296.40 : 124,999.92 = 38,926.56 : x
  2. Step 2: Convert to fraction form
    83,296.40/124,999.92 = 38,926.56/x
  3. Step 3: Cross multiply
    83,296.40x = 124,999.92 × 38,926.56
  4. Step 4: Simplify right side
    83,296.40x = 4,865,816,885.88
  5. Step 5: Solve for x
    x = 4,865,816,885.88/83,296.40
  6. Step 6: Final answer
    x = 58,415.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.