Home / 79,143.13-109,217.52-43,333.14

Finding the Fourth Proportional to 79,143.13, 109,217.52 and 43,333.14

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Solution

The fourth proportional to 79,143.13, 109,217.52 and 43,333.14 is: 59,799.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,143.13 : 109,217.52 = 43,333.14 : x
  2. Step 2: Convert to fraction form
    79,143.13/109,217.52 = 43,333.14/x
  3. Step 3: Cross multiply
    79,143.13x = 109,217.52 × 43,333.14
  4. Step 4: Simplify right side
    79,143.13x = 4,732,738,084.61
  5. Step 5: Solve for x
    x = 4,732,738,084.61/79,143.13
  6. Step 6: Final answer
    x = 59,799.73

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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.