Home / 87,755.46-131,646.84-28,577.37

Finding the Fourth Proportional to 87,755.46, 131,646.84 and 28,577.37

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Solution

The fourth proportional to 87,755.46, 131,646.84 and 28,577.37 is: 42,870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,755.46 : 131,646.84 = 28,577.37 : x
  2. Step 2: Convert to fraction form
    87,755.46/131,646.84 = 28,577.37/x
  3. Step 3: Cross multiply
    87,755.46x = 131,646.84 × 28,577.37
  4. Step 4: Simplify right side
    87,755.46x = 3,762,120,456.01
  5. Step 5: Solve for x
    x = 3,762,120,456.01/87,755.46
  6. Step 6: Final answer
    x = 42,870.50

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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.