Home / 88,104.28-121,449.72-54,049.72

Finding the Fourth Proportional to 88,104.28, 121,449.72 and 54,049.72

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Solution

The fourth proportional to 88,104.28, 121,449.72 and 54,049.72 is: 74,506.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,104.28 : 121,449.72 = 54,049.72 : x
  2. Step 2: Convert to fraction form
    88,104.28/121,449.72 = 54,049.72/x
  3. Step 3: Cross multiply
    88,104.28x = 121,449.72 × 54,049.72
  4. Step 4: Simplify right side
    88,104.28x = 6,564,323,360.08
  5. Step 5: Solve for x
    x = 6,564,323,360.08/88,104.28
  6. Step 6: Final answer
    x = 74,506.29

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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.