Home / 80,871.85-121,329.61-24,710.42

Finding the Fourth Proportional to 80,871.85, 121,329.61 and 24,710.42

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Solution

The fourth proportional to 80,871.85, 121,329.61 and 24,710.42 is: 37,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,871.85 : 121,329.61 = 24,710.42 : x
  2. Step 2: Convert to fraction form
    80,871.85/121,329.61 = 24,710.42/x
  3. Step 3: Cross multiply
    80,871.85x = 121,329.61 × 24,710.42
  4. Step 4: Simplify right side
    80,871.85x = 2,998,105,256.44
  5. Step 5: Solve for x
    x = 2,998,105,256.44/80,871.85
  6. Step 6: Final answer
    x = 37,072.30

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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.