Home / 91,823.20-137,726.70-25,257.40

Finding the Fourth Proportional to 91,823.20, 137,726.70 and 25,257.40

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Solution

The fourth proportional to 91,823.20, 137,726.70 and 25,257.40 is: 37,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,823.20 : 137,726.70 = 25,257.40 : x
  2. Step 2: Convert to fraction form
    91,823.20/137,726.70 = 25,257.40/x
  3. Step 3: Cross multiply
    91,823.20x = 137,726.70 × 25,257.40
  4. Step 4: Simplify right side
    91,823.20x = 3,478,618,352.58
  5. Step 5: Solve for x
    x = 3,478,618,352.58/91,823.20
  6. Step 6: Final answer
    x = 37,883.87

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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.