Home / 83,143.35-124,682.67-26,969.87

Finding the Fourth Proportional to 83,143.35, 124,682.67 and 26,969.87

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Solution

The fourth proportional to 83,143.35, 124,682.67 and 26,969.87 is: 40,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,143.35 : 124,682.67 = 26,969.87 : x
  2. Step 2: Convert to fraction form
    83,143.35/124,682.67 = 26,969.87/x
  3. Step 3: Cross multiply
    83,143.35x = 124,682.67 × 26,969.87
  4. Step 4: Simplify right side
    83,143.35x = 3,362,675,266.30
  5. Step 5: Solve for x
    x = 3,362,675,266.30/83,143.35
  6. Step 6: Final answer
    x = 40,444.31

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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.