Home / 87,625.80-131,438.70-59,632.20

Finding the Fourth Proportional to 87,625.80, 131,438.70 and 59,632.20

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Solution

The fourth proportional to 87,625.80, 131,438.70 and 59,632.20 is: 89,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,625.80 : 131,438.70 = 59,632.20 : x
  2. Step 2: Convert to fraction form
    87,625.80/131,438.70 = 59,632.20/x
  3. Step 3: Cross multiply
    87,625.80x = 131,438.70 × 59,632.20
  4. Step 4: Simplify right side
    87,625.80x = 7,837,978,846.14
  5. Step 5: Solve for x
    x = 7,837,978,846.14/87,625.80
  6. Step 6: Final answer
    x = 89,448.30

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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.