Home / 67,221.16-92,767.60-38,545.26

Finding the Fourth Proportional to 67,221.16, 92,767.60 and 38,545.26

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Solution

The fourth proportional to 67,221.16, 92,767.60 and 38,545.26 is: 53,193.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,221.16 : 92,767.60 = 38,545.26 : x
  2. Step 2: Convert to fraction form
    67,221.16/92,767.60 = 38,545.26/x
  3. Step 3: Cross multiply
    67,221.16x = 92,767.60 × 38,545.26
  4. Step 4: Simplify right side
    67,221.16x = 3,575,751,261.58
  5. Step 5: Solve for x
    x = 3,575,751,261.58/67,221.16
  6. Step 6: Final answer
    x = 53,193.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.