Home / 89,463.59-123,460.01-51,223.72

Finding the Fourth Proportional to 89,463.59, 123,460.01 and 51,223.72

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Solution

The fourth proportional to 89,463.59, 123,460.01 and 51,223.72 is: 70,688.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,463.59 : 123,460.01 = 51,223.72 : x
  2. Step 2: Convert to fraction form
    89,463.59/123,460.01 = 51,223.72/x
  3. Step 3: Cross multiply
    89,463.59x = 123,460.01 × 51,223.72
  4. Step 4: Simplify right side
    89,463.59x = 6,324,081,045.41
  5. Step 5: Solve for x
    x = 6,324,081,045.41/89,463.59
  6. Step 6: Final answer
    x = 70,688.88

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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.