Home / 83,128.29-124,709.97-26,964.03

Finding the Fourth Proportional to 83,128.29, 124,709.97 and 26,964.03

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Solution

The fourth proportional to 83,128.29, 124,709.97 and 26,964.03 is: 40,451.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,128.29 : 124,709.97 = 26,964.03 : x
  2. Step 2: Convert to fraction form
    83,128.29/124,709.97 = 26,964.03/x
  3. Step 3: Cross multiply
    83,128.29x = 124,709.97 × 26,964.03
  4. Step 4: Simplify right side
    83,128.29x = 3,362,683,372.38
  5. Step 5: Solve for x
    x = 3,362,683,372.38/83,128.29
  6. Step 6: Final answer
    x = 40,451.73

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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.