Home / 84,514.12-126,761.56-22,189.48

Finding the Fourth Proportional to 84,514.12, 126,761.56 and 22,189.48

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Solution

The fourth proportional to 84,514.12, 126,761.56 and 22,189.48 is: 33,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,514.12 : 126,761.56 = 22,189.48 : x
  2. Step 2: Convert to fraction form
    84,514.12/126,761.56 = 22,189.48/x
  3. Step 3: Cross multiply
    84,514.12x = 126,761.56 × 22,189.48
  4. Step 4: Simplify right side
    84,514.12x = 2,812,773,100.39
  5. Step 5: Solve for x
    x = 2,812,773,100.39/84,514.12
  6. Step 6: Final answer
    x = 33,281.69

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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.