Home / 55,057.74-82,561.05-26,979.18

Finding the Fourth Proportional to 55,057.74, 82,561.05 and 26,979.18

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Solution

The fourth proportional to 55,057.74, 82,561.05 and 26,979.18 is: 40,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,057.74 : 82,561.05 = 26,979.18 : x
  2. Step 2: Convert to fraction form
    55,057.74/82,561.05 = 26,979.18/x
  3. Step 3: Cross multiply
    55,057.74x = 82,561.05 × 26,979.18
  4. Step 4: Simplify right side
    55,057.74x = 2,227,429,428.94
  5. Step 5: Solve for x
    x = 2,227,429,428.94/55,057.74
  6. Step 6: Final answer
    x = 40,456.25

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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.