Home / 87,663.36-131,514.48-25,329.12

Finding the Fourth Proportional to 87,663.36, 131,514.48 and 25,329.12

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Solution

The fourth proportional to 87,663.36, 131,514.48 and 25,329.12 is: 37,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,663.36 : 131,514.48 = 25,329.12 : x
  2. Step 2: Convert to fraction form
    87,663.36/131,514.48 = 25,329.12/x
  3. Step 3: Cross multiply
    87,663.36x = 131,514.48 × 25,329.12
  4. Step 4: Simplify right side
    87,663.36x = 3,331,146,045.66
  5. Step 5: Solve for x
    x = 3,331,146,045.66/87,663.36
  6. Step 6: Final answer
    x = 37,999.30

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1.5x scale

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.