Home / 80,440.48-120,678.05-24,275.89

Finding the Fourth Proportional to 80,440.48, 120,678.05 and 24,275.89

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Solution

The fourth proportional to 80,440.48, 120,678.05 and 24,275.89 is: 36,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,440.48 : 120,678.05 = 24,275.89 : x
  2. Step 2: Convert to fraction form
    80,440.48/120,678.05 = 24,275.89/x
  3. Step 3: Cross multiply
    80,440.48x = 120,678.05 × 24,275.89
  4. Step 4: Simplify right side
    80,440.48x = 2,929,566,599.94
  5. Step 5: Solve for x
    x = 2,929,566,599.94/80,440.48
  6. Step 6: Final answer
    x = 36,419.06

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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.