Home / 89,475.39-123,462.66-51,228.90

Finding the Fourth Proportional to 89,475.39, 123,462.66 and 51,228.90

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Solution

The fourth proportional to 89,475.39, 123,462.66 and 51,228.90 is: 70,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,475.39 : 123,462.66 = 51,228.90 : x
  2. Step 2: Convert to fraction form
    89,475.39/123,462.66 = 51,228.90/x
  3. Step 3: Cross multiply
    89,475.39x = 123,462.66 × 51,228.90
  4. Step 4: Simplify right side
    89,475.39x = 6,324,856,262.87
  5. Step 5: Solve for x
    x = 6,324,856,262.87/89,475.39
  6. Step 6: Final answer
    x = 70,688.22

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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.