Home / 91,674.36-137,511.65-25,115.06

Finding the Fourth Proportional to 91,674.36, 137,511.65 and 25,115.06

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Solution

The fourth proportional to 91,674.36, 137,511.65 and 25,115.06 is: 37,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,674.36 : 137,511.65 = 25,115.06 : x
  2. Step 2: Convert to fraction form
    91,674.36/137,511.65 = 25,115.06/x
  3. Step 3: Cross multiply
    91,674.36x = 137,511.65 × 25,115.06
  4. Step 4: Simplify right side
    91,674.36x = 3,453,613,340.45
  5. Step 5: Solve for x
    x = 3,453,613,340.45/91,674.36
  6. Step 6: Final answer
    x = 37,672.62

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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.