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Finding the Fourth Proportional to 78,756, 118,134 and 23,352

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Solution

The fourth proportional to 78,756, 118,134 and 23,352 is: 35,028

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,756 : 118,134 = 23,352 : x
  2. Step 2: Convert to fraction form
    78,756/118,134 = 23,352/x
  3. Step 3: Cross multiply
    78,756x = 118,134 × 23,352
  4. Step 4: Simplify right side
    78,756x = 2,758,665,168
  5. Step 5: Solve for x
    x = 2,758,665,168/78,756
  6. Step 6: Final answer
    x = 35,028

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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.