Home / 91,627.90-137,470.47-27,588.58

Finding the Fourth Proportional to 91,627.90, 137,470.47 and 27,588.58

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Solution

The fourth proportional to 91,627.90, 137,470.47 and 27,588.58 is: 41,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,627.90 : 137,470.47 = 27,588.58 : x
  2. Step 2: Convert to fraction form
    91,627.90/137,470.47 = 27,588.58/x
  3. Step 3: Cross multiply
    91,627.90x = 137,470.47 × 27,588.58
  4. Step 4: Simplify right side
    91,627.90x = 3,792,614,233.94
  5. Step 5: Solve for x
    x = 3,792,614,233.94/91,627.90
  6. Step 6: Final answer
    x = 41,391.48

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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.