Home / 67,622.77-101,443.38-28,170.65

Finding the Fourth Proportional to 67,622.77, 101,443.38 and 28,170.65

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Solution

The fourth proportional to 67,622.77, 101,443.38 and 28,170.65 is: 42,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,622.77 : 101,443.38 = 28,170.65 : x
  2. Step 2: Convert to fraction form
    67,622.77/101,443.38 = 28,170.65/x
  3. Step 3: Cross multiply
    67,622.77x = 101,443.38 × 28,170.65
  4. Step 4: Simplify right side
    67,622.77x = 2,857,725,952.80
  5. Step 5: Solve for x
    x = 2,857,725,952.80/67,622.77
  6. Step 6: Final answer
    x = 42,259.82

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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.