Home / 82,718.91-124,017.89-26,527.04

Finding the Fourth Proportional to 82,718.91, 124,017.89 and 26,527.04

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Solution

The fourth proportional to 82,718.91, 124,017.89 and 26,527.04 is: 39,771.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,718.91 : 124,017.89 = 26,527.04 : x
  2. Step 2: Convert to fraction form
    82,718.91/124,017.89 = 26,527.04/x
  3. Step 3: Cross multiply
    82,718.91x = 124,017.89 × 26,527.04
  4. Step 4: Simplify right side
    82,718.91x = 3,289,827,086.07
  5. Step 5: Solve for x
    x = 3,289,827,086.07/82,718.91
  6. Step 6: Final answer
    x = 39,771.16

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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.