Home / 80,818.75-121,225.29-24,656.59

Finding the Fourth Proportional to 80,818.75, 121,225.29 and 24,656.59

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Solution

The fourth proportional to 80,818.75, 121,225.29 and 24,656.59 is: 36,984.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,818.75 : 121,225.29 = 24,656.59 : x
  2. Step 2: Convert to fraction form
    80,818.75/121,225.29 = 24,656.59/x
  3. Step 3: Cross multiply
    80,818.75x = 121,225.29 × 24,656.59
  4. Step 4: Simplify right side
    80,818.75x = 2,989,002,273.16
  5. Step 5: Solve for x
    x = 2,989,002,273.16/80,818.75
  6. Step 6: Final answer
    x = 36,984.02

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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.