Home / 89,836.56-123,947.28-52,103.52

Finding the Fourth Proportional to 89,836.56, 123,947.28 and 52,103.52

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Solution

The fourth proportional to 89,836.56, 123,947.28 and 52,103.52 is: 71,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,836.56 : 123,947.28 = 52,103.52 : x
  2. Step 2: Convert to fraction form
    89,836.56/123,947.28 = 52,103.52/x
  3. Step 3: Cross multiply
    89,836.56x = 123,947.28 × 52,103.52
  4. Step 4: Simplify right side
    89,836.56x = 6,458,089,582.43
  5. Step 5: Solve for x
    x = 6,458,089,582.43/89,836.56
  6. Step 6: Final answer
    x = 71,887.10

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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.