Home / 80,629.92-111,276.56-44,827.20

Finding the Fourth Proportional to 80,629.92, 111,276.56 and 44,827.20

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Solution

The fourth proportional to 80,629.92, 111,276.56 and 44,827.20 is: 61,865.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,629.92 : 111,276.56 = 44,827.20 : x
  2. Step 2: Convert to fraction form
    80,629.92/111,276.56 = 44,827.20/x
  3. Step 3: Cross multiply
    80,629.92x = 111,276.56 × 44,827.20
  4. Step 4: Simplify right side
    80,629.92x = 4,988,216,610.43
  5. Step 5: Solve for x
    x = 4,988,216,610.43/80,629.92
  6. Step 6: Final answer
    x = 61,865.58

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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.