Home / 87,308.13-130,986.38-34,754.52

Finding the Fourth Proportional to 87,308.13, 130,986.38 and 34,754.52

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Solution

The fourth proportional to 87,308.13, 130,986.38 and 34,754.52 is: 52,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,308.13 : 130,986.38 = 34,754.52 : x
  2. Step 2: Convert to fraction form
    87,308.13/130,986.38 = 34,754.52/x
  3. Step 3: Cross multiply
    87,308.13x = 130,986.38 × 34,754.52
  4. Step 4: Simplify right side
    87,308.13x = 4,552,368,763.44
  5. Step 5: Solve for x
    x = 4,552,368,763.44/87,308.13
  6. Step 6: Final answer
    x = 52,141.41

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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.