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Finding the Fourth Proportional to 67,387.80, 101,033.10 and 44,027.40

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Solution

The fourth proportional to 67,387.80, 101,033.10 and 44,027.40 is: 66,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,387.80 : 101,033.10 = 44,027.40 : x
  2. Step 2: Convert to fraction form
    67,387.80/101,033.10 = 44,027.40/x
  3. Step 3: Cross multiply
    67,387.80x = 101,033.10 × 44,027.40
  4. Step 4: Simplify right side
    67,387.80x = 4,448,224,706.94
  5. Step 5: Solve for x
    x = 4,448,224,706.94/67,387.80
  6. Step 6: Final answer
    x = 66,009.35

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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.