Home / 80,771.31-121,121.76-24,598.22

Finding the Fourth Proportional to 80,771.31, 121,121.76 and 24,598.22

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Solution

The fourth proportional to 80,771.31, 121,121.76 and 24,598.22 is: 36,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,771.31 : 121,121.76 = 24,598.22 : x
  2. Step 2: Convert to fraction form
    80,771.31/121,121.76 = 24,598.22/x
  3. Step 3: Cross multiply
    80,771.31x = 121,121.76 × 24,598.22
  4. Step 4: Simplify right side
    80,771.31x = 2,979,379,185.90
  5. Step 5: Solve for x
    x = 2,979,379,185.90/80,771.31
  6. Step 6: Final answer
    x = 36,886.60

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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.