Home / 91,672.06-137,508.21-25,112.77

Finding the Fourth Proportional to 91,672.06, 137,508.21 and 25,112.77

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Solution

The fourth proportional to 91,672.06, 137,508.21 and 25,112.77 is: 37,669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,672.06 : 137,508.21 = 25,112.77 : x
  2. Step 2: Convert to fraction form
    91,672.06/137,508.21 = 25,112.77/x
  3. Step 3: Cross multiply
    91,672.06x = 137,508.21 × 25,112.77
  4. Step 4: Simplify right side
    91,672.06x = 3,453,212,050.84
  5. Step 5: Solve for x
    x = 3,453,212,050.84/91,672.06
  6. Step 6: Final answer
    x = 37,669.19

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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.