Home / 78,246.11-117,378.35-24,919.41

Finding the Fourth Proportional to 78,246.11, 117,378.35 and 24,919.41

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Solution

The fourth proportional to 78,246.11, 117,378.35 and 24,919.41 is: 37,382.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,246.11 : 117,378.35 = 24,919.41 : x
  2. Step 2: Convert to fraction form
    78,246.11/117,378.35 = 24,919.41/x
  3. Step 3: Cross multiply
    78,246.11x = 117,378.35 × 24,919.41
  4. Step 4: Simplify right side
    78,246.11x = 2,924,999,104.18
  5. Step 5: Solve for x
    x = 2,924,999,104.18/78,246.11
  6. Step 6: Final answer
    x = 37,382.04

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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.