Home / 87,042.64-130,537.94-26,250.36

Finding the Fourth Proportional to 87,042.64, 130,537.94 and 26,250.36

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Solution

The fourth proportional to 87,042.64, 130,537.94 and 26,250.36 is: 39,367.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,042.64 : 130,537.94 = 26,250.36 : x
  2. Step 2: Convert to fraction form
    87,042.64/130,537.94 = 26,250.36/x
  3. Step 3: Cross multiply
    87,042.64x = 130,537.94 × 26,250.36
  4. Step 4: Simplify right side
    87,042.64x = 3,426,667,775.27
  5. Step 5: Solve for x
    x = 3,426,667,775.27/87,042.64
  6. Step 6: Final answer
    x = 39,367.69

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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.