Home / 67,665.60-101,436.96-26,143.68

Finding the Fourth Proportional to 67,665.60, 101,436.96 and 26,143.68

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Solution

The fourth proportional to 67,665.60, 101,436.96 and 26,143.68 is: 39,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,665.60 : 101,436.96 = 26,143.68 : x
  2. Step 2: Convert to fraction form
    67,665.60/101,436.96 = 26,143.68/x
  3. Step 3: Cross multiply
    67,665.60x = 101,436.96 × 26,143.68
  4. Step 4: Simplify right side
    67,665.60x = 2,651,935,422.41
  5. Step 5: Solve for x
    x = 2,651,935,422.41/67,665.60
  6. Step 6: Final answer
    x = 39,191.78

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1.5x scale

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.