Home / 91,375.50-136,921.63-63,350.04

Finding the Fourth Proportional to 91,375.50, 136,921.63 and 63,350.04

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Solution

The fourth proportional to 91,375.50, 136,921.63 and 63,350.04 is: 94,926.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,375.50 : 136,921.63 = 63,350.04 : x
  2. Step 2: Convert to fraction form
    91,375.50/136,921.63 = 63,350.04/x
  3. Step 3: Cross multiply
    91,375.50x = 136,921.63 × 63,350.04
  4. Step 4: Simplify right side
    91,375.50x = 8,673,990,737.37
  5. Step 5: Solve for x
    x = 8,673,990,737.37/91,375.50
  6. Step 6: Final answer
    x = 94,926.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.