Home / 91,746.20-137,619.30-25,196.60

Finding the Fourth Proportional to 91,746.20, 137,619.30 and 25,196.60

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Solution

The fourth proportional to 91,746.20, 137,619.30 and 25,196.60 is: 37,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,746.20 : 137,619.30 = 25,196.60 : x
  2. Step 2: Convert to fraction form
    91,746.20/137,619.30 = 25,196.60/x
  3. Step 3: Cross multiply
    91,746.20x = 137,619.30 × 25,196.60
  4. Step 4: Simplify right side
    91,746.20x = 3,467,538,454.38
  5. Step 5: Solve for x
    x = 3,467,538,454.38/91,746.20
  6. Step 6: Final answer
    x = 37,794.90

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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.