Home / 80,549.22-111,135.60-50,365.38

Finding the Fourth Proportional to 80,549.22, 111,135.60 and 50,365.38

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Solution

The fourth proportional to 80,549.22, 111,135.60 and 50,365.38 is: 69,490.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,549.22 : 111,135.60 = 50,365.38 : x
  2. Step 2: Convert to fraction form
    80,549.22/111,135.60 = 50,365.38/x
  3. Step 3: Cross multiply
    80,549.22x = 111,135.60 × 50,365.38
  4. Step 4: Simplify right side
    80,549.22x = 5,597,386,725.53
  5. Step 5: Solve for x
    x = 5,597,386,725.53/80,549.22
  6. Step 6: Final answer
    x = 69,490.27

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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.