Home / 83,006.40-124,315.20-63,177.60

Finding the Fourth Proportional to 83,006.40, 124,315.20 and 63,177.60

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Solution

The fourth proportional to 83,006.40, 124,315.20 and 63,177.60 is: 94,618.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,006.40 : 124,315.20 = 63,177.60 : x
  2. Step 2: Convert to fraction form
    83,006.40/124,315.20 = 63,177.60/x
  3. Step 3: Cross multiply
    83,006.40x = 124,315.20 × 63,177.60
  4. Step 4: Simplify right side
    83,006.40x = 7,853,935,979.52
  5. Step 5: Solve for x
    x = 7,853,935,979.52/83,006.40
  6. Step 6: Final answer
    x = 94,618.44

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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.