Home / 87,756.04-131,608.95-28,596.88

Finding the Fourth Proportional to 87,756.04, 131,608.95 and 28,596.88

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Solution

The fourth proportional to 87,756.04, 131,608.95 and 28,596.88 is: 42,887.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,756.04 : 131,608.95 = 28,596.88 : x
  2. Step 2: Convert to fraction form
    87,756.04/131,608.95 = 28,596.88/x
  3. Step 3: Cross multiply
    87,756.04x = 131,608.95 × 28,596.88
  4. Step 4: Simplify right side
    87,756.04x = 3,763,605,241.01
  5. Step 5: Solve for x
    x = 3,763,605,241.01/87,756.04
  6. Step 6: Final answer
    x = 42,887.14

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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.