Home / 91,725.06-137,564.49-35,545.92

Finding the Fourth Proportional to 91,725.06, 137,564.49 and 35,545.92

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Solution

The fourth proportional to 91,725.06, 137,564.49 and 35,545.92 is: 53,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,725.06 : 137,564.49 = 35,545.92 : x
  2. Step 2: Convert to fraction form
    91,725.06/137,564.49 = 35,545.92/x
  3. Step 3: Cross multiply
    91,725.06x = 137,564.49 × 35,545.92
  4. Step 4: Simplify right side
    91,725.06x = 4,889,856,356.38
  5. Step 5: Solve for x
    x = 4,889,856,356.38/91,725.06
  6. Step 6: Final answer
    x = 53,309.93

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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.