Home / 89,818.74-123,944.19-51,551.34

Finding the Fourth Proportional to 89,818.74, 123,944.19 and 51,551.34

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Solution

The fourth proportional to 89,818.74, 123,944.19 and 51,551.34 is: 71,137.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,818.74 : 123,944.19 = 51,551.34 : x
  2. Step 2: Convert to fraction form
    89,818.74/123,944.19 = 51,551.34/x
  3. Step 3: Cross multiply
    89,818.74x = 123,944.19 × 51,551.34
  4. Step 4: Simplify right side
    89,818.74x = 6,389,489,079.71
  5. Step 5: Solve for x
    x = 6,389,489,079.71/89,818.74
  6. Step 6: Final answer
    x = 71,137.59

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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.