Home / 82,719.66-124,019.01-26,527.79

Finding the Fourth Proportional to 82,719.66, 124,019.01 and 26,527.79

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Solution

The fourth proportional to 82,719.66, 124,019.01 and 26,527.79 is: 39,772.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,719.66 : 124,019.01 = 26,527.79 : x
  2. Step 2: Convert to fraction form
    82,719.66/124,019.01 = 26,527.79/x
  3. Step 3: Cross multiply
    82,719.66x = 124,019.01 × 26,527.79
  4. Step 4: Simplify right side
    82,719.66x = 3,289,950,253.29
  5. Step 5: Solve for x
    x = 3,289,950,253.29/82,719.66
  6. Step 6: Final answer
    x = 39,772.29

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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.