Home / 84,244.72-116,229.69-55,578.61

Finding the Fourth Proportional to 84,244.72, 116,229.69 and 55,578.61

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Solution

The fourth proportional to 84,244.72, 116,229.69 and 55,578.61 is: 76,679.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,244.72 : 116,229.69 = 55,578.61 : x
  2. Step 2: Convert to fraction form
    84,244.72/116,229.69 = 55,578.61/x
  3. Step 3: Cross multiply
    84,244.72x = 116,229.69 × 55,578.61
  4. Step 4: Simplify right side
    84,244.72x = 6,459,884,610.93
  5. Step 5: Solve for x
    x = 6,459,884,610.93/84,244.72
  6. Step 6: Final answer
    x = 76,679.99

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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.