Home / 78,853.14-108,813.54-44,858.43

Finding the Fourth Proportional to 78,853.14, 108,813.54 and 44,858.43

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Solution

The fourth proportional to 78,853.14, 108,813.54 and 44,858.43 is: 61,902.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,853.14 : 108,813.54 = 44,858.43 : x
  2. Step 2: Convert to fraction form
    78,853.14/108,813.54 = 44,858.43/x
  3. Step 3: Cross multiply
    78,853.14x = 108,813.54 × 44,858.43
  4. Step 4: Simplify right side
    78,853.14x = 4,881,204,567.14
  5. Step 5: Solve for x
    x = 4,881,204,567.14/78,853.14
  6. Step 6: Final answer
    x = 61,902.48

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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.