Home / 89,177.57-123,065.01-48,890.46

Finding the Fourth Proportional to 89,177.57, 123,065.01 and 48,890.46

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Solution

The fourth proportional to 89,177.57, 123,065.01 and 48,890.46 is: 67,468.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,177.57 : 123,065.01 = 48,890.46 : x
  2. Step 2: Convert to fraction form
    89,177.57/123,065.01 = 48,890.46/x
  3. Step 3: Cross multiply
    89,177.57x = 123,065.01 × 48,890.46
  4. Step 4: Simplify right side
    89,177.57x = 6,016,704,948.80
  5. Step 5: Solve for x
    x = 6,016,704,948.80/89,177.57
  6. Step 6: Final answer
    x = 67,468.81

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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.