Home / 77,168.28-106,487.22-43,170.90

Finding the Fourth Proportional to 77,168.28, 106,487.22 and 43,170.90

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Solution

The fourth proportional to 77,168.28, 106,487.22 and 43,170.90 is: 59,573.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,168.28 : 106,487.22 = 43,170.90 : x
  2. Step 2: Convert to fraction form
    77,168.28/106,487.22 = 43,170.90/x
  3. Step 3: Cross multiply
    77,168.28x = 106,487.22 × 43,170.90
  4. Step 4: Simplify right side
    77,168.28x = 4,597,149,125.90
  5. Step 5: Solve for x
    x = 4,597,149,125.90/77,168.28
  6. Step 6: Final answer
    x = 59,573.04

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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.