Home / 80,641.72-111,279.27-44,829.55

Finding the Fourth Proportional to 80,641.72, 111,279.27 and 44,829.55

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Solution

The fourth proportional to 80,641.72, 111,279.27 and 44,829.55 is: 61,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,641.72 : 111,279.27 = 44,829.55 : x
  2. Step 2: Convert to fraction form
    80,641.72/111,279.27 = 44,829.55/x
  3. Step 3: Cross multiply
    80,641.72x = 111,279.27 × 44,829.55
  4. Step 4: Simplify right side
    80,641.72x = 4,988,599,598.43
  5. Step 5: Solve for x
    x = 4,988,599,598.43/80,641.72
  6. Step 6: Final answer
    x = 61,861.27

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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.