Home / 89,270.91-123,193.40-50,510.43

Finding the Fourth Proportional to 89,270.91, 123,193.40 and 50,510.43

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Solution

The fourth proportional to 89,270.91, 123,193.40 and 50,510.43 is: 69,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,270.91 : 123,193.40 = 50,510.43 : x
  2. Step 2: Convert to fraction form
    89,270.91/123,193.40 = 50,510.43/x
  3. Step 3: Cross multiply
    89,270.91x = 123,193.40 × 50,510.43
  4. Step 4: Simplify right side
    89,270.91x = 6,222,551,354.61
  5. Step 5: Solve for x
    x = 6,222,551,354.61/89,270.91
  6. Step 6: Final answer
    x = 69,704.13

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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.