Home / 87,510.50-131,272.65-43,113.03

Finding the Fourth Proportional to 87,510.50, 131,272.65 and 43,113.03

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Solution

The fourth proportional to 87,510.50, 131,272.65 and 43,113.03 is: 64,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,510.50 : 131,272.65 = 43,113.03 : x
  2. Step 2: Convert to fraction form
    87,510.50/131,272.65 = 43,113.03/x
  3. Step 3: Cross multiply
    87,510.50x = 131,272.65 × 43,113.03
  4. Step 4: Simplify right side
    87,510.50x = 5,659,561,697.63
  5. Step 5: Solve for x
    x = 5,659,561,697.63/87,510.50
  6. Step 6: Final answer
    x = 64,672.95

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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.