Home / 87,663.70-131,422.65-46,110.70

Finding the Fourth Proportional to 87,663.70, 131,422.65 and 46,110.70

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Solution

The fourth proportional to 87,663.70, 131,422.65 and 46,110.70 is: 69,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,663.70 : 131,422.65 = 46,110.70 : x
  2. Step 2: Convert to fraction form
    87,663.70/131,422.65 = 46,110.70/x
  3. Step 3: Cross multiply
    87,663.70x = 131,422.65 × 46,110.70
  4. Step 4: Simplify right side
    87,663.70x = 6,059,990,387.36
  5. Step 5: Solve for x
    x = 6,059,990,387.36/87,663.70
  6. Step 6: Final answer
    x = 69,127.70

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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.