Home / 58,836.59-81,195.33-31,979.10

Finding the Fourth Proportional to 58,836.59, 81,195.33 and 31,979.10

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Solution

The fourth proportional to 58,836.59, 81,195.33 and 31,979.10 is: 44,131.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,836.59 : 81,195.33 = 31,979.10 : x
  2. Step 2: Convert to fraction form
    58,836.59/81,195.33 = 31,979.10/x
  3. Step 3: Cross multiply
    58,836.59x = 81,195.33 × 31,979.10
  4. Step 4: Simplify right side
    58,836.59x = 2,596,553,822.12
  5. Step 5: Solve for x
    x = 2,596,553,822.12/58,836.59
  6. Step 6: Final answer
    x = 44,131.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.