Home / 80,944.66-111,705-44,650.27

Finding the Fourth Proportional to 80,944.66, 111,705 and 44,650.27

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Solution

The fourth proportional to 80,944.66, 111,705 and 44,650.27 is: 61,618.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,944.66 : 111,705 = 44,650.27 : x
  2. Step 2: Convert to fraction form
    80,944.66/111,705 = 44,650.27/x
  3. Step 3: Cross multiply
    80,944.66x = 111,705 × 44,650.27
  4. Step 4: Simplify right side
    80,944.66x = 4,987,657,851.83
  5. Step 5: Solve for x
    x = 4,987,657,851.83/80,944.66
  6. Step 6: Final answer
    x = 61,618.12

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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.