Home / 67,217.04-100,840.56-20,473.52

Finding the Fourth Proportional to 67,217.04, 100,840.56 and 20,473.52

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Solution

The fourth proportional to 67,217.04, 100,840.56 and 20,473.52 is: 30,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,217.04 : 100,840.56 = 20,473.52 : x
  2. Step 2: Convert to fraction form
    67,217.04/100,840.56 = 20,473.52/x
  3. Step 3: Cross multiply
    67,217.04x = 100,840.56 × 20,473.52
  4. Step 4: Simplify right side
    67,217.04x = 2,064,561,221.97
  5. Step 5: Solve for x
    x = 2,064,561,221.97/67,217.04
  6. Step 6: Final answer
    x = 30,714.85

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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.