Home / 80,865.80-121,277.10-24,705.80

Finding the Fourth Proportional to 80,865.80, 121,277.10 and 24,705.80

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Solution

The fourth proportional to 80,865.80, 121,277.10 and 24,705.80 is: 37,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,865.80 : 121,277.10 = 24,705.80 : x
  2. Step 2: Convert to fraction form
    80,865.80/121,277.10 = 24,705.80/x
  3. Step 3: Cross multiply
    80,865.80x = 121,277.10 × 24,705.80
  4. Step 4: Simplify right side
    80,865.80x = 2,996,247,777.18
  5. Step 5: Solve for x
    x = 2,996,247,777.18/80,865.80
  6. Step 6: Final answer
    x = 37,052.10

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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.