Home / 78,713.28-118,104.88-41,264.48

Finding the Fourth Proportional to 78,713.28, 118,104.88 and 41,264.48

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Solution

The fourth proportional to 78,713.28, 118,104.88 and 41,264.48 is: 61,915.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,713.28 : 118,104.88 = 41,264.48 : x
  2. Step 2: Convert to fraction form
    78,713.28/118,104.88 = 41,264.48/x
  3. Step 3: Cross multiply
    78,713.28x = 118,104.88 × 41,264.48
  4. Step 4: Simplify right side
    78,713.28x = 4,873,536,458.66
  5. Step 5: Solve for x
    x = 4,873,536,458.66/78,713.28
  6. Step 6: Final answer
    x = 61,915.05

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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.