Home / 91,755.10-137,608.89-25,179.58

Finding the Fourth Proportional to 91,755.10, 137,608.89 and 25,179.58

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Solution

The fourth proportional to 91,755.10, 137,608.89 and 25,179.58 is: 37,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,755.10 : 137,608.89 = 25,179.58 : x
  2. Step 2: Convert to fraction form
    91,755.10/137,608.89 = 25,179.58/x
  3. Step 3: Cross multiply
    91,755.10x = 137,608.89 × 25,179.58
  4. Step 4: Simplify right side
    91,755.10x = 3,464,934,054.47
  5. Step 5: Solve for x
    x = 3,464,934,054.47/91,755.10
  6. Step 6: Final answer
    x = 37,762.85

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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.