Home / 80,785.44-111,487.55-44,977.70

Finding the Fourth Proportional to 80,785.44, 111,487.55 and 44,977.70

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Solution

The fourth proportional to 80,785.44, 111,487.55 and 44,977.70 is: 62,071.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,785.44 : 111,487.55 = 44,977.70 : x
  2. Step 2: Convert to fraction form
    80,785.44/111,487.55 = 44,977.70/x
  3. Step 3: Cross multiply
    80,785.44x = 111,487.55 × 44,977.70
  4. Step 4: Simplify right side
    80,785.44x = 5,014,452,795.31
  5. Step 5: Solve for x
    x = 5,014,452,795.31/80,785.44
  6. Step 6: Final answer
    x = 62,071.24

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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.