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Finding the Fourth Proportional to 67,726.74, 101,614.04 and 30,283.50

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Solution

The fourth proportional to 67,726.74, 101,614.04 and 30,283.50 is: 45,435.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,726.74 : 101,614.04 = 30,283.50 : x
  2. Step 2: Convert to fraction form
    67,726.74/101,614.04 = 30,283.50/x
  3. Step 3: Cross multiply
    67,726.74x = 101,614.04 × 30,283.50
  4. Step 4: Simplify right side
    67,726.74x = 3,077,228,628.92
  5. Step 5: Solve for x
    x = 3,077,228,628.92/67,726.74
  6. Step 6: Final answer
    x = 45,435.95

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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.