Home / 67,330.17-100,799.64-39,164.31

Finding the Fourth Proportional to 67,330.17, 100,799.64 and 39,164.31

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Solution

The fourth proportional to 67,330.17, 100,799.64 and 39,164.31 is: 58,632.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,330.17 : 100,799.64 = 39,164.31 : x
  2. Step 2: Convert to fraction form
    67,330.17/100,799.64 = 39,164.31/x
  3. Step 3: Cross multiply
    67,330.17x = 100,799.64 × 39,164.31
  4. Step 4: Simplify right side
    67,330.17x = 3,947,748,348.85
  5. Step 5: Solve for x
    x = 3,947,748,348.85/67,330.17
  6. Step 6: Final answer
    x = 58,632.68

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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.