Home / 91,487.70-137,231.55-60,096.15

Finding the Fourth Proportional to 91,487.70, 137,231.55 and 60,096.15

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Solution

The fourth proportional to 91,487.70, 137,231.55 and 60,096.15 is: 90,144.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,487.70 : 137,231.55 = 60,096.15 : x
  2. Step 2: Convert to fraction form
    91,487.70/137,231.55 = 60,096.15/x
  3. Step 3: Cross multiply
    91,487.70x = 137,231.55 × 60,096.15
  4. Step 4: Simplify right side
    91,487.70x = 8,247,087,813.53
  5. Step 5: Solve for x
    x = 8,247,087,813.53/91,487.70
  6. Step 6: Final answer
    x = 90,144.23

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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.