Home / 80,223.47-120,333.59-27,631.79

Finding the Fourth Proportional to 80,223.47, 120,333.59 and 27,631.79

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Solution

The fourth proportional to 80,223.47, 120,333.59 and 27,631.79 is: 41,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,223.47 : 120,333.59 = 27,631.79 : x
  2. Step 2: Convert to fraction form
    80,223.47/120,333.59 = 27,631.79/x
  3. Step 3: Cross multiply
    80,223.47x = 120,333.59 × 27,631.79
  4. Step 4: Simplify right side
    80,223.47x = 3,325,032,488.83
  5. Step 5: Solve for x
    x = 3,325,032,488.83/80,223.47
  6. Step 6: Final answer
    x = 41,447.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.