Home / 87,010.43-130,540.14-33,718.50

Finding the Fourth Proportional to 87,010.43, 130,540.14 and 33,718.50

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Solution

The fourth proportional to 87,010.43, 130,540.14 and 33,718.50 is: 50,587.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,010.43 : 130,540.14 = 33,718.50 : x
  2. Step 2: Convert to fraction form
    87,010.43/130,540.14 = 33,718.50/x
  3. Step 3: Cross multiply
    87,010.43x = 130,540.14 × 33,718.50
  4. Step 4: Simplify right side
    87,010.43x = 4,401,617,710.59
  5. Step 5: Solve for x
    x = 4,401,617,710.59/87,010.43
  6. Step 6: Final answer
    x = 50,587.24

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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.