Home / 78,654.41-117,953.82-25,344.26

Finding the Fourth Proportional to 78,654.41, 117,953.82 and 25,344.26

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Solution

The fourth proportional to 78,654.41, 117,953.82 and 25,344.26 is: 38,007.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,654.41 : 117,953.82 = 25,344.26 : x
  2. Step 2: Convert to fraction form
    78,654.41/117,953.82 = 25,344.26/x
  3. Step 3: Cross multiply
    78,654.41x = 117,953.82 × 25,344.26
  4. Step 4: Simplify right side
    78,654.41x = 2,989,451,692.30
  5. Step 5: Solve for x
    x = 2,989,451,692.30/78,654.41
  6. Step 6: Final answer
    x = 38,007.43

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1.5x scale

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.