Home / 78,942.29-118,375.04-26,334

Finding the Fourth Proportional to 78,942.29, 118,375.04 and 26,334

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Solution

The fourth proportional to 78,942.29, 118,375.04 and 26,334 is: 39,488.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,942.29 : 118,375.04 = 26,334 : x
  2. Step 2: Convert to fraction form
    78,942.29/118,375.04 = 26,334/x
  3. Step 3: Cross multiply
    78,942.29x = 118,375.04 × 26,334
  4. Step 4: Simplify right side
    78,942.29x = 3,117,288,369.20
  5. Step 5: Solve for x
    x = 3,117,288,369.20/78,942.29
  6. Step 6: Final answer
    x = 39,488.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.