Home / 89,899.20-124,040.16-52,151.04

Finding the Fourth Proportional to 89,899.20, 124,040.16 and 52,151.04

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Solution

The fourth proportional to 89,899.20, 124,040.16 and 52,151.04 is: 71,956.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,899.20 : 124,040.16 = 52,151.04 : x
  2. Step 2: Convert to fraction form
    89,899.20/124,040.16 = 52,151.04/x
  3. Step 3: Cross multiply
    89,899.20x = 124,040.16 × 52,151.04
  4. Step 4: Simplify right side
    89,899.20x = 6,468,823,345.77
  5. Step 5: Solve for x
    x = 6,468,823,345.77/89,899.20
  6. Step 6: Final answer
    x = 71,956.41

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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.