Home / 89,232.61-123,151.29-53,422.60

Finding the Fourth Proportional to 89,232.61, 123,151.29 and 53,422.60

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Solution

The fourth proportional to 89,232.61, 123,151.29 and 53,422.60 is: 73,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,232.61 : 123,151.29 = 53,422.60 : x
  2. Step 2: Convert to fraction form
    89,232.61/123,151.29 = 53,422.60/x
  3. Step 3: Cross multiply
    89,232.61x = 123,151.29 × 53,422.60
  4. Step 4: Simplify right side
    89,232.61x = 6,579,062,105.15
  5. Step 5: Solve for x
    x = 6,579,062,105.15/89,232.61
  6. Step 6: Final answer
    x = 73,729.35

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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.