Home / 80,085.20-110,515.92-44,276.72

Finding the Fourth Proportional to 80,085.20, 110,515.92 and 44,276.72

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Solution

The fourth proportional to 80,085.20, 110,515.92 and 44,276.72 is: 61,100.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,085.20 : 110,515.92 = 44,276.72 : x
  2. Step 2: Convert to fraction form
    80,085.20/110,515.92 = 44,276.72/x
  3. Step 3: Cross multiply
    80,085.20x = 110,515.92 × 44,276.72
  4. Step 4: Simplify right side
    80,085.20x = 4,893,282,445.38
  5. Step 5: Solve for x
    x = 4,893,282,445.38/80,085.20
  6. Step 6: Final answer
    x = 61,100.96

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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.