Home / 91,820.76-137,708.43-25,257.66

Finding the Fourth Proportional to 91,820.76, 137,708.43 and 25,257.66

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Solution

The fourth proportional to 91,820.76, 137,708.43 and 25,257.66 is: 37,880.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,820.76 : 137,708.43 = 25,257.66 : x
  2. Step 2: Convert to fraction form
    91,820.76/137,708.43 = 25,257.66/x
  3. Step 3: Cross multiply
    91,820.76x = 137,708.43 × 25,257.66
  4. Step 4: Simplify right side
    91,820.76x = 3,478,192,704.07
  5. Step 5: Solve for x
    x = 3,478,192,704.07/91,820.76
  6. Step 6: Final answer
    x = 37,880.24

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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.