Home / 91,865.70-137,799.18-25,309.44

Finding the Fourth Proportional to 91,865.70, 137,799.18 and 25,309.44

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Solution

The fourth proportional to 91,865.70, 137,799.18 and 25,309.44 is: 37,964.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,865.70 : 137,799.18 = 25,309.44 : x
  2. Step 2: Convert to fraction form
    91,865.70/137,799.18 = 25,309.44/x
  3. Step 3: Cross multiply
    91,865.70x = 137,799.18 × 25,309.44
  4. Step 4: Simplify right side
    91,865.70x = 3,487,620,078.26
  5. Step 5: Solve for x
    x = 3,487,620,078.26/91,865.70
  6. Step 6: Final answer
    x = 37,964.33

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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.