Home / 67,494.60-101,178.78-30,034.35

Finding the Fourth Proportional to 67,494.60, 101,178.78 and 30,034.35

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Solution

The fourth proportional to 67,494.60, 101,178.78 and 30,034.35 is: 45,023.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,494.60 : 101,178.78 = 30,034.35 : x
  2. Step 2: Convert to fraction form
    67,494.60/101,178.78 = 30,034.35/x
  3. Step 3: Cross multiply
    67,494.60x = 101,178.78 × 30,034.35
  4. Step 4: Simplify right side
    67,494.60x = 3,038,838,891.09
  5. Step 5: Solve for x
    x = 3,038,838,891.09/67,494.60
  6. Step 6: Final answer
    x = 45,023.44

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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.