Home / 88,244.47-121,731.74-54,652.15

Finding the Fourth Proportional to 88,244.47, 121,731.74 and 54,652.15

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Solution

The fourth proportional to 88,244.47, 121,731.74 and 54,652.15 is: 75,391.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,244.47 : 121,731.74 = 54,652.15 : x
  2. Step 2: Convert to fraction form
    88,244.47/121,731.74 = 54,652.15/x
  3. Step 3: Cross multiply
    88,244.47x = 121,731.74 × 54,652.15
  4. Step 4: Simplify right side
    88,244.47x = 6,652,900,705.58
  5. Step 5: Solve for x
    x = 6,652,900,705.58/88,244.47
  6. Step 6: Final answer
    x = 75,391.71

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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.