Home / 80,743.68-111,425.45-44,443.94

Finding the Fourth Proportional to 80,743.68, 111,425.45 and 44,443.94

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Solution

The fourth proportional to 80,743.68, 111,425.45 and 44,443.94 is: 61,332.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,743.68 : 111,425.45 = 44,443.94 : x
  2. Step 2: Convert to fraction form
    80,743.68/111,425.45 = 44,443.94/x
  3. Step 3: Cross multiply
    80,743.68x = 111,425.45 × 44,443.94
  4. Step 4: Simplify right side
    80,743.68x = 4,952,185,234.93
  5. Step 5: Solve for x
    x = 4,952,185,234.93/80,743.68
  6. Step 6: Final answer
    x = 61,332.17

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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.