Home / 80,592.24-111,218.40-44,781.60

Finding the Fourth Proportional to 80,592.24, 111,218.40 and 44,781.60

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Solution

The fourth proportional to 80,592.24, 111,218.40 and 44,781.60 is: 61,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,592.24 : 111,218.40 = 44,781.60 : x
  2. Step 2: Convert to fraction form
    80,592.24/111,218.40 = 44,781.60/x
  3. Step 3: Cross multiply
    80,592.24x = 111,218.40 × 44,781.60
  4. Step 4: Simplify right side
    80,592.24x = 4,980,537,901.44
  5. Step 5: Solve for x
    x = 4,980,537,901.44/80,592.24
  6. Step 6: Final answer
    x = 61,799.22

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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.