Home / 89,569.76-123,606.24-51,843.20

Finding the Fourth Proportional to 89,569.76, 123,606.24 and 51,843.20

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Solution

The fourth proportional to 89,569.76, 123,606.24 and 51,843.20 is: 71,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,569.76 : 123,606.24 = 51,843.20 : x
  2. Step 2: Convert to fraction form
    89,569.76/123,606.24 = 51,843.20/x
  3. Step 3: Cross multiply
    89,569.76x = 123,606.24 × 51,843.20
  4. Step 4: Simplify right side
    89,569.76x = 6,408,143,021.57
  5. Step 5: Solve for x
    x = 6,408,143,021.57/89,569.76
  6. Step 6: Final answer
    x = 71,543.60

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1.5x scale

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.