Home / 80,869.46-111,596.67-45,058.55

Finding the Fourth Proportional to 80,869.46, 111,596.67 and 45,058.55

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Solution

The fourth proportional to 80,869.46, 111,596.67 and 45,058.55 is: 62,179.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,869.46 : 111,596.67 = 45,058.55 : x
  2. Step 2: Convert to fraction form
    80,869.46/111,596.67 = 45,058.55/x
  3. Step 3: Cross multiply
    80,869.46x = 111,596.67 × 45,058.55
  4. Step 4: Simplify right side
    80,869.46x = 5,028,383,577.05
  5. Step 5: Solve for x
    x = 5,028,383,577.05/80,869.46
  6. Step 6: Final answer
    x = 62,179.02

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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.