Home / 91,600.13-137,408.40-25,040.61

Finding the Fourth Proportional to 91,600.13, 137,408.40 and 25,040.61

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Solution

The fourth proportional to 91,600.13, 137,408.40 and 25,040.61 is: 37,563.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,600.13 : 137,408.40 = 25,040.61 : x
  2. Step 2: Convert to fraction form
    91,600.13/137,408.40 = 25,040.61/x
  3. Step 3: Cross multiply
    91,600.13x = 137,408.40 × 25,040.61
  4. Step 4: Simplify right side
    91,600.13x = 3,440,790,155.12
  5. Step 5: Solve for x
    x = 3,440,790,155.12/91,600.13
  6. Step 6: Final answer
    x = 37,563.16

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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.