Home / 87,855.64-131,837.63-34,538.20

Finding the Fourth Proportional to 87,855.64, 131,837.63 and 34,538.20

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Solution

The fourth proportional to 87,855.64, 131,837.63 and 34,538.20 is: 51,828.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,855.64 : 131,837.63 = 34,538.20 : x
  2. Step 2: Convert to fraction form
    87,855.64/131,837.63 = 34,538.20/x
  3. Step 3: Cross multiply
    87,855.64x = 131,837.63 × 34,538.20
  4. Step 4: Simplify right side
    87,855.64x = 4,553,433,930.18
  5. Step 5: Solve for x
    x = 4,553,433,930.18/87,855.64
  6. Step 6: Final answer
    x = 51,828.59

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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.