Home / 84,836.53-117,020.59-52,116.61

Finding the Fourth Proportional to 84,836.53, 117,020.59 and 52,116.61

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Solution

The fourth proportional to 84,836.53, 117,020.59 and 52,116.61 is: 71,887.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,836.53 : 117,020.59 = 52,116.61 : x
  2. Step 2: Convert to fraction form
    84,836.53/117,020.59 = 52,116.61/x
  3. Step 3: Cross multiply
    84,836.53x = 117,020.59 × 52,116.61
  4. Step 4: Simplify right side
    84,836.53x = 6,098,716,451.00
  5. Step 5: Solve for x
    x = 6,098,716,451.00/84,836.53
  6. Step 6: Final answer
    x = 71,887.86

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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.