Home / 94,170.72-129,949.20-51,731.04

Finding the Fourth Proportional to 94,170.72, 129,949.20 and 51,731.04

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Solution

The fourth proportional to 94,170.72, 129,949.20 and 51,731.04 is: 71,385.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,170.72 : 129,949.20 = 51,731.04 : x
  2. Step 2: Convert to fraction form
    94,170.72/129,949.20 = 51,731.04/x
  3. Step 3: Cross multiply
    94,170.72x = 129,949.20 × 51,731.04
  4. Step 4: Simplify right side
    94,170.72x = 6,722,407,263.17
  5. Step 5: Solve for x
    x = 6,722,407,263.17/94,170.72
  6. Step 6: Final answer
    x = 71,385.32

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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.