Home / 84,191.48-126,220.17-48,612.46

Finding the Fourth Proportional to 84,191.48, 126,220.17 and 48,612.46

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Solution

The fourth proportional to 84,191.48, 126,220.17 and 48,612.46 is: 72,879.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,191.48 : 126,220.17 = 48,612.46 : x
  2. Step 2: Convert to fraction form
    84,191.48/126,220.17 = 48,612.46/x
  3. Step 3: Cross multiply
    84,191.48x = 126,220.17 × 48,612.46
  4. Step 4: Simplify right side
    84,191.48x = 6,135,872,481.06
  5. Step 5: Solve for x
    x = 6,135,872,481.06/84,191.48
  6. Step 6: Final answer
    x = 72,879.97

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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.