Home / 80,448.66-111,032.40-44,650.20

Finding the Fourth Proportional to 80,448.66, 111,032.40 and 44,650.20

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Solution

The fourth proportional to 80,448.66, 111,032.40 and 44,650.20 is: 61,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,448.66 : 111,032.40 = 44,650.20 : x
  2. Step 2: Convert to fraction form
    80,448.66/111,032.40 = 44,650.20/x
  3. Step 3: Cross multiply
    80,448.66x = 111,032.40 × 44,650.20
  4. Step 4: Simplify right side
    80,448.66x = 4,957,618,866.48
  5. Step 5: Solve for x
    x = 4,957,618,866.48/80,448.66
  6. Step 6: Final answer
    x = 61,624.63

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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.