Home / 87,907.56-131,908.68-58,339.32

Finding the Fourth Proportional to 87,907.56, 131,908.68 and 58,339.32

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Solution

The fourth proportional to 87,907.56, 131,908.68 and 58,339.32 is: 87,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,907.56 : 131,908.68 = 58,339.32 : x
  2. Step 2: Convert to fraction form
    87,907.56/131,908.68 = 58,339.32/x
  3. Step 3: Cross multiply
    87,907.56x = 131,908.68 × 58,339.32
  4. Step 4: Simplify right side
    87,907.56x = 7,695,462,693.30
  5. Step 5: Solve for x
    x = 7,695,462,693.30/87,907.56
  6. Step 6: Final answer
    x = 87,540.40

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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.