Home / 80,022.35-110,337.16-54,543.80

Finding the Fourth Proportional to 80,022.35, 110,337.16 and 54,543.80

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Solution

The fourth proportional to 80,022.35, 110,337.16 and 54,543.80 is: 75,206.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,022.35 : 110,337.16 = 54,543.80 : x
  2. Step 2: Convert to fraction form
    80,022.35/110,337.16 = 54,543.80/x
  3. Step 3: Cross multiply
    80,022.35x = 110,337.16 × 54,543.80
  4. Step 4: Simplify right side
    80,022.35x = 6,018,207,987.61
  5. Step 5: Solve for x
    x = 6,018,207,987.61/80,022.35
  6. Step 6: Final answer
    x = 75,206.59

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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.