Home / 82,718.66-124,017.51-26,526.79

Finding the Fourth Proportional to 82,718.66, 124,017.51 and 26,526.79

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Solution

The fourth proportional to 82,718.66, 124,017.51 and 26,526.79 is: 39,770.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,718.66 : 124,017.51 = 26,526.79 : x
  2. Step 2: Convert to fraction form
    82,718.66/124,017.51 = 26,526.79/x
  3. Step 3: Cross multiply
    82,718.66x = 124,017.51 × 26,526.79
  4. Step 4: Simplify right side
    82,718.66x = 3,289,786,134.05
  5. Step 5: Solve for x
    x = 3,289,786,134.05/82,718.66
  6. Step 6: Final answer
    x = 39,770.78

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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.