Home / 99,545.40-137,371.14-54,833.40

Finding the Fourth Proportional to 99,545.40, 137,371.14 and 54,833.40

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Solution

The fourth proportional to 99,545.40, 137,371.14 and 54,833.40 is: 75,669.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,545.40 : 137,371.14 = 54,833.40 : x
  2. Step 2: Convert to fraction form
    99,545.40/137,371.14 = 54,833.40/x
  3. Step 3: Cross multiply
    99,545.40x = 137,371.14 × 54,833.40
  4. Step 4: Simplify right side
    99,545.40x = 7,532,526,668.08
  5. Step 5: Solve for x
    x = 7,532,526,668.08/99,545.40
  6. Step 6: Final answer
    x = 75,669.26

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1.5x scale

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.