Home / 84,215.72-126,400.08-44,805.80

Finding the Fourth Proportional to 84,215.72, 126,400.08 and 44,805.80

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Solution

The fourth proportional to 84,215.72, 126,400.08 and 44,805.80 is: 67,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,215.72 : 126,400.08 = 44,805.80 : x
  2. Step 2: Convert to fraction form
    84,215.72/126,400.08 = 44,805.80/x
  3. Step 3: Cross multiply
    84,215.72x = 126,400.08 × 44,805.80
  4. Step 4: Simplify right side
    84,215.72x = 5,663,456,704.46
  5. Step 5: Solve for x
    x = 5,663,456,704.46/84,215.72
  6. Step 6: Final answer
    x = 67,249.40

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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.