Home / 80,780.44-111,480.65-44,972.70

Finding the Fourth Proportional to 80,780.44, 111,480.65 and 44,972.70

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Solution

The fourth proportional to 80,780.44, 111,480.65 and 44,972.70 is: 62,064.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,780.44 : 111,480.65 = 44,972.70 : x
  2. Step 2: Convert to fraction form
    80,780.44/111,480.65 = 44,972.70/x
  3. Step 3: Cross multiply
    80,780.44x = 111,480.65 × 44,972.70
  4. Step 4: Simplify right side
    80,780.44x = 5,013,585,828.26
  5. Step 5: Solve for x
    x = 5,013,585,828.26/80,780.44
  6. Step 6: Final answer
    x = 62,064.35

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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.