Home / 67,263.60-100,764.18-40,902.96

Finding the Fourth Proportional to 67,263.60, 100,764.18 and 40,902.96

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Solution

The fourth proportional to 67,263.60, 100,764.18 and 40,902.96 is: 61,274.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,263.60 : 100,764.18 = 40,902.96 : x
  2. Step 2: Convert to fraction form
    67,263.60/100,764.18 = 40,902.96/x
  3. Step 3: Cross multiply
    67,263.60x = 100,764.18 × 40,902.96
  4. Step 4: Simplify right side
    67,263.60x = 4,121,553,223.97
  5. Step 5: Solve for x
    x = 4,121,553,223.97/67,263.60
  6. Step 6: Final answer
    x = 61,274.65

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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.