Home / 89,569.92-123,618.56-51,344.64

Finding the Fourth Proportional to 89,569.92, 123,618.56 and 51,344.64

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Solution

The fourth proportional to 89,569.92, 123,618.56 and 51,344.64 is: 70,862.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,569.92 : 123,618.56 = 51,344.64 : x
  2. Step 2: Convert to fraction form
    89,569.92/123,618.56 = 51,344.64/x
  3. Step 3: Cross multiply
    89,569.92x = 123,618.56 × 51,344.64
  4. Step 4: Simplify right side
    89,569.92x = 6,347,150,460.52
  5. Step 5: Solve for x
    x = 6,347,150,460.52/89,569.92
  6. Step 6: Final answer
    x = 70,862.52

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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.