Home / 78,196.59-117,307.04-25,593.98

Finding the Fourth Proportional to 78,196.59, 117,307.04 and 25,593.98

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Solution

The fourth proportional to 78,196.59, 117,307.04 and 25,593.98 is: 38,394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,196.59 : 117,307.04 = 25,593.98 : x
  2. Step 2: Convert to fraction form
    78,196.59/117,307.04 = 25,593.98/x
  3. Step 3: Cross multiply
    78,196.59x = 117,307.04 × 25,593.98
  4. Step 4: Simplify right side
    78,196.59x = 3,002,353,321.11
  5. Step 5: Solve for x
    x = 3,002,353,321.11/78,196.59
  6. Step 6: Final answer
    x = 38,394.94

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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.