Home / 115,456.59-173,195.82-45,319.50

Finding the Fourth Proportional to 115,456.59, 173,195.82 and 45,319.50

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Solution

The fourth proportional to 115,456.59, 173,195.82 and 45,319.50 is: 67,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,456.59 : 173,195.82 = 45,319.50 : x
  2. Step 2: Convert to fraction form
    115,456.59/173,195.82 = 45,319.50/x
  3. Step 3: Cross multiply
    115,456.59x = 173,195.82 × 45,319.50
  4. Step 4: Simplify right side
    115,456.59x = 7,849,147,964.49
  5. Step 5: Solve for x
    x = 7,849,147,964.49/115,456.59
  6. Step 6: Final answer
    x = 67,983.54

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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.