Home / 87,562.80-131,344.20-25,239.60

Finding the Fourth Proportional to 87,562.80, 131,344.20 and 25,239.60

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Solution

The fourth proportional to 87,562.80, 131,344.20 and 25,239.60 is: 37,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,562.80 : 131,344.20 = 25,239.60 : x
  2. Step 2: Convert to fraction form
    87,562.80/131,344.20 = 25,239.60/x
  3. Step 3: Cross multiply
    87,562.80x = 131,344.20 × 25,239.60
  4. Step 4: Simplify right side
    87,562.80x = 3,315,075,070.32
  5. Step 5: Solve for x
    x = 3,315,075,070.32/87,562.80
  6. Step 6: Final answer
    x = 37,859.40

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1.5x scale

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.