Home / 80,070.16-119,930.28-40,559.44

Finding the Fourth Proportional to 80,070.16, 119,930.28 and 40,559.44

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Solution

The fourth proportional to 80,070.16, 119,930.28 and 40,559.44 is: 60,750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,070.16 : 119,930.28 = 40,559.44 : x
  2. Step 2: Convert to fraction form
    80,070.16/119,930.28 = 40,559.44/x
  3. Step 3: Cross multiply
    80,070.16x = 119,930.28 × 40,559.44
  4. Step 4: Simplify right side
    80,070.16x = 4,864,304,995.84
  5. Step 5: Solve for x
    x = 4,864,304,995.84/80,070.16
  6. Step 6: Final answer
    x = 60,750.53

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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.