Home / 78,928.03-108,837.79-52,036.13

Finding the Fourth Proportional to 78,928.03, 108,837.79 and 52,036.13

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Solution

The fourth proportional to 78,928.03, 108,837.79 and 52,036.13 is: 71,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,928.03 : 108,837.79 = 52,036.13 : x
  2. Step 2: Convert to fraction form
    78,928.03/108,837.79 = 52,036.13/x
  3. Step 3: Cross multiply
    78,928.03x = 108,837.79 × 52,036.13
  4. Step 4: Simplify right side
    78,928.03x = 5,663,497,211.85
  5. Step 5: Solve for x
    x = 5,663,497,211.85/78,928.03
  6. Step 6: Final answer
    x = 71,755.21

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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.