Home / 58,727.05-81,043.92-31,869.79

Finding the Fourth Proportional to 58,727.05, 81,043.92 and 31,869.79

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Solution

The fourth proportional to 58,727.05, 81,043.92 and 31,869.79 is: 43,980.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,727.05 : 81,043.92 = 31,869.79 : x
  2. Step 2: Convert to fraction form
    58,727.05/81,043.92 = 31,869.79/x
  3. Step 3: Cross multiply
    58,727.05x = 81,043.92 × 31,869.79
  4. Step 4: Simplify right side
    58,727.05x = 2,582,852,508.57
  5. Step 5: Solve for x
    x = 2,582,852,508.57/58,727.05
  6. Step 6: Final answer
    x = 43,980.63

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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.