Home / 87,756.20-131,515.02-37,113.13

Finding the Fourth Proportional to 87,756.20, 131,515.02 and 37,113.13

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Solution

The fourth proportional to 87,756.20, 131,515.02 and 37,113.13 is: 55,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,756.20 : 131,515.02 = 37,113.13 : x
  2. Step 2: Convert to fraction form
    87,756.20/131,515.02 = 37,113.13/x
  3. Step 3: Cross multiply
    87,756.20x = 131,515.02 × 37,113.13
  4. Step 4: Simplify right side
    87,756.20x = 4,880,933,705.43
  5. Step 5: Solve for x
    x = 4,880,933,705.43/87,756.20
  6. Step 6: Final answer
    x = 55,619.24

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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.