Home / 89,600.77-123,642.21-51,359.86

Finding the Fourth Proportional to 89,600.77, 123,642.21 and 51,359.86

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Solution

The fourth proportional to 89,600.77, 123,642.21 and 51,359.86 is: 70,872.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,600.77 : 123,642.21 = 51,359.86 : x
  2. Step 2: Convert to fraction form
    89,600.77/123,642.21 = 51,359.86/x
  3. Step 3: Cross multiply
    89,600.77x = 123,642.21 × 51,359.86
  4. Step 4: Simplify right side
    89,600.77x = 6,350,246,595.69
  5. Step 5: Solve for x
    x = 6,350,246,595.69/89,600.77
  6. Step 6: Final answer
    x = 70,872.68

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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.