Home / 80,229.40-110,720.65-44,423.35

Finding the Fourth Proportional to 80,229.40, 110,720.65 and 44,423.35

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Solution

The fourth proportional to 80,229.40, 110,720.65 and 44,423.35 is: 61,306.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,229.40 : 110,720.65 = 44,423.35 : x
  2. Step 2: Convert to fraction form
    80,229.40/110,720.65 = 44,423.35/x
  3. Step 3: Cross multiply
    80,229.40x = 110,720.65 × 44,423.35
  4. Step 4: Simplify right side
    80,229.40x = 4,918,582,187.18
  5. Step 5: Solve for x
    x = 4,918,582,187.18/80,229.40
  6. Step 6: Final answer
    x = 61,306.48

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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.