Home / 91,663.10-137,498.75-25,101.75

Finding the Fourth Proportional to 91,663.10, 137,498.75 and 25,101.75

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Solution

The fourth proportional to 91,663.10, 137,498.75 and 25,101.75 is: 37,653.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,663.10 : 137,498.75 = 25,101.75 : x
  2. Step 2: Convert to fraction form
    91,663.10/137,498.75 = 25,101.75/x
  3. Step 3: Cross multiply
    91,663.10x = 137,498.75 × 25,101.75
  4. Step 4: Simplify right side
    91,663.10x = 3,451,459,122.30
  5. Step 5: Solve for x
    x = 3,451,459,122.30/91,663.10
  6. Step 6: Final answer
    x = 37,653.75

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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.