Home / 83,072.08-124,634-29,764.56

Finding the Fourth Proportional to 83,072.08, 124,634 and 29,764.56

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Solution

The fourth proportional to 83,072.08, 124,634 and 29,764.56 is: 44,656.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,072.08 : 124,634 = 29,764.56 : x
  2. Step 2: Convert to fraction form
    83,072.08/124,634 = 29,764.56/x
  3. Step 3: Cross multiply
    83,072.08x = 124,634 × 29,764.56
  4. Step 4: Simplify right side
    83,072.08x = 3,709,676,171.04
  5. Step 5: Solve for x
    x = 3,709,676,171.04/83,072.08
  6. Step 6: Final answer
    x = 44,656.11

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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.