Home / 78,394.38-108,185.40-44,402.03

Finding the Fourth Proportional to 78,394.38, 108,185.40 and 44,402.03

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Solution

The fourth proportional to 78,394.38, 108,185.40 and 44,402.03 is: 61,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,394.38 : 108,185.40 = 44,402.03 : x
  2. Step 2: Convert to fraction form
    78,394.38/108,185.40 = 44,402.03/x
  3. Step 3: Cross multiply
    78,394.38x = 108,185.40 × 44,402.03
  4. Step 4: Simplify right side
    78,394.38x = 4,803,650,835.44
  5. Step 5: Solve for x
    x = 4,803,650,835.44/78,394.38
  6. Step 6: Final answer
    x = 61,275.45

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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.