Home / 83,304.35-124,665.76-68,136.08

Finding the Fourth Proportional to 83,304.35, 124,665.76 and 68,136.08

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Solution

The fourth proportional to 83,304.35, 124,665.76 and 68,136.08 is: 101,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,304.35 : 124,665.76 = 68,136.08 : x
  2. Step 2: Convert to fraction form
    83,304.35/124,665.76 = 68,136.08/x
  3. Step 3: Cross multiply
    83,304.35x = 124,665.76 × 68,136.08
  4. Step 4: Simplify right side
    83,304.35x = 8,494,235,855.94
  5. Step 5: Solve for x
    x = 8,494,235,855.94/83,304.35
  6. Step 6: Final answer
    x = 101,966.30

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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.