Home / 80,461.11-120,644.61-24,284.37

Finding the Fourth Proportional to 80,461.11, 120,644.61 and 24,284.37

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Solution

The fourth proportional to 80,461.11, 120,644.61 and 24,284.37 is: 36,412.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,461.11 : 120,644.61 = 24,284.37 : x
  2. Step 2: Convert to fraction form
    80,461.11/120,644.61 = 24,284.37/x
  3. Step 3: Cross multiply
    80,461.11x = 120,644.61 × 24,284.37
  4. Step 4: Simplify right side
    80,461.11x = 2,929,778,347.75
  5. Step 5: Solve for x
    x = 2,929,778,347.75/80,461.11
  6. Step 6: Final answer
    x = 36,412.35

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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.