Home / 87,871.04-131,812.71-35,280.53

Finding the Fourth Proportional to 87,871.04, 131,812.71 and 35,280.53

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Solution

The fourth proportional to 87,871.04, 131,812.71 and 35,280.53 is: 52,923.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,871.04 : 131,812.71 = 35,280.53 : x
  2. Step 2: Convert to fraction form
    87,871.04/131,812.71 = 35,280.53/x
  3. Step 3: Cross multiply
    87,871.04x = 131,812.71 × 35,280.53
  4. Step 4: Simplify right side
    87,871.04x = 4,650,422,270.15
  5. Step 5: Solve for x
    x = 4,650,422,270.15/87,871.04
  6. Step 6: Final answer
    x = 52,923.26

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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.