Home / 79,341.39-119,023.19-23,185.61

Finding the Fourth Proportional to 79,341.39, 119,023.19 and 23,185.61

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Solution

The fourth proportional to 79,341.39, 119,023.19 and 23,185.61 is: 34,781.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,341.39 : 119,023.19 = 23,185.61 : x
  2. Step 2: Convert to fraction form
    79,341.39/119,023.19 = 23,185.61/x
  3. Step 3: Cross multiply
    79,341.39x = 119,023.19 × 23,185.61
  4. Step 4: Simplify right side
    79,341.39x = 2,759,625,086.53
  5. Step 5: Solve for x
    x = 2,759,625,086.53/79,341.39
  6. Step 6: Final answer
    x = 34,781.66

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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.