Home / 78,394.41-117,599.40-25,073.00

Finding the Fourth Proportional to 78,394.41, 117,599.40 and 25,073.00

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Solution

The fourth proportional to 78,394.41, 117,599.40 and 25,073.00 is: 37,611.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,394.41 : 117,599.40 = 25,073.00 : x
  2. Step 2: Convert to fraction form
    78,394.41/117,599.40 = 25,073.00/x
  3. Step 3: Cross multiply
    78,394.41x = 117,599.40 × 25,073.00
  4. Step 4: Simplify right side
    78,394.41x = 2,948,569,168.20
  5. Step 5: Solve for x
    x = 2,948,569,168.20/78,394.41
  6. Step 6: Final answer
    x = 37,611.98

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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.