Home / 91,811.55-137,706.39-25,258.44

Finding the Fourth Proportional to 91,811.55, 137,706.39 and 25,258.44

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Solution

The fourth proportional to 91,811.55, 137,706.39 and 25,258.44 is: 37,884.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,811.55 : 137,706.39 = 25,258.44 : x
  2. Step 2: Convert to fraction form
    91,811.55/137,706.39 = 25,258.44/x
  3. Step 3: Cross multiply
    91,811.55x = 137,706.39 × 25,258.44
  4. Step 4: Simplify right side
    91,811.55x = 3,478,248,589.43
  5. Step 5: Solve for x
    x = 3,478,248,589.43/91,811.55
  6. Step 6: Final answer
    x = 37,884.65

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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.