Home / 91,579.08-137,382.39-32,415.33

Finding the Fourth Proportional to 91,579.08, 137,382.39 and 32,415.33

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Solution

The fourth proportional to 91,579.08, 137,382.39 and 32,415.33 is: 48,627.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,579.08 : 137,382.39 = 32,415.33 : x
  2. Step 2: Convert to fraction form
    91,579.08/137,382.39 = 32,415.33/x
  3. Step 3: Cross multiply
    91,579.08x = 137,382.39 × 32,415.33
  4. Step 4: Simplify right side
    91,579.08x = 4,453,295,508.04
  5. Step 5: Solve for x
    x = 4,453,295,508.04/91,579.08
  6. Step 6: Final answer
    x = 48,627.87

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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.