Home / 58,198.11-87,310.13-31,889.31

Finding the Fourth Proportional to 58,198.11, 87,310.13 and 31,889.31

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Solution

The fourth proportional to 58,198.11, 87,310.13 and 31,889.31 is: 47,841.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,198.11 : 87,310.13 = 31,889.31 : x
  2. Step 2: Convert to fraction form
    58,198.11/87,310.13 = 31,889.31/x
  3. Step 3: Cross multiply
    58,198.11x = 87,310.13 × 31,889.31
  4. Step 4: Simplify right side
    58,198.11x = 2,784,259,642.26
  5. Step 5: Solve for x
    x = 2,784,259,642.26/58,198.11
  6. Step 6: Final answer
    x = 47,841.07

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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.