Home / 127,591.12-176,055.88-71,002.32

Finding the Fourth Proportional to 127,591.12, 176,055.88 and 71,002.32

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Solution

The fourth proportional to 127,591.12, 176,055.88 and 71,002.32 is: 97,972.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,591.12 : 176,055.88 = 71,002.32 : x
  2. Step 2: Convert to fraction form
    127,591.12/176,055.88 = 71,002.32/x
  3. Step 3: Cross multiply
    127,591.12x = 176,055.88 × 71,002.32
  4. Step 4: Simplify right side
    127,591.12x = 12,500,375,929.64
  5. Step 5: Solve for x
    x = 12,500,375,929.64/127,591.12
  6. Step 6: Final answer
    x = 97,972.15

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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.