Home / 87,314.70-130,972.86-34,737.60

Finding the Fourth Proportional to 87,314.70, 130,972.86 and 34,737.60

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Solution

The fourth proportional to 87,314.70, 130,972.86 and 34,737.60 is: 52,106.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,314.70 : 130,972.86 = 34,737.60 : x
  2. Step 2: Convert to fraction form
    87,314.70/130,972.86 = 34,737.60/x
  3. Step 3: Cross multiply
    87,314.70x = 130,972.86 × 34,737.60
  4. Step 4: Simplify right side
    87,314.70x = 4,549,682,821.54
  5. Step 5: Solve for x
    x = 4,549,682,821.54/87,314.70
  6. Step 6: Final answer
    x = 52,106.72

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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.