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Finding the Fourth Proportional to 84,404.80, 126,626.40 and 49,326.40

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Solution

The fourth proportional to 84,404.80, 126,626.40 and 49,326.40 is: 74,000.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,404.80 : 126,626.40 = 49,326.40 : x
  2. Step 2: Convert to fraction form
    84,404.80/126,626.40 = 49,326.40/x
  3. Step 3: Cross multiply
    84,404.80x = 126,626.40 × 49,326.40
  4. Step 4: Simplify right side
    84,404.80x = 6,246,024,456.96
  5. Step 5: Solve for x
    x = 6,246,024,456.96/84,404.80
  6. Step 6: Final answer
    x = 74,000.82

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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.