Home / 80,781.03-111,474.79-44,970.32

Finding the Fourth Proportional to 80,781.03, 111,474.79 and 44,970.32

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Solution

The fourth proportional to 80,781.03, 111,474.79 and 44,970.32 is: 62,057.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,781.03 : 111,474.79 = 44,970.32 : x
  2. Step 2: Convert to fraction form
    80,781.03/111,474.79 = 44,970.32/x
  3. Step 3: Cross multiply
    80,781.03x = 111,474.79 × 44,970.32
  4. Step 4: Simplify right side
    80,781.03x = 5,013,057,144.49
  5. Step 5: Solve for x
    x = 5,013,057,144.49/80,781.03
  6. Step 6: Final answer
    x = 62,057.36

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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.