Home / 87,931.12-131,904.80-24,752.20

Finding the Fourth Proportional to 87,931.12, 131,904.80 and 24,752.20

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Solution

The fourth proportional to 87,931.12, 131,904.80 and 24,752.20 is: 37,130.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,931.12 : 131,904.80 = 24,752.20 : x
  2. Step 2: Convert to fraction form
    87,931.12/131,904.80 = 24,752.20/x
  3. Step 3: Cross multiply
    87,931.12x = 131,904.80 × 24,752.20
  4. Step 4: Simplify right side
    87,931.12x = 3,264,933,990.56
  5. Step 5: Solve for x
    x = 3,264,933,990.56/87,931.12
  6. Step 6: Final answer
    x = 37,130.59

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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.