Home / 83,006.78-124,534.09-40,899.52

Finding the Fourth Proportional to 83,006.78, 124,534.09 and 40,899.52

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Solution

The fourth proportional to 83,006.78, 124,534.09 and 40,899.52 is: 61,361.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,006.78 : 124,534.09 = 40,899.52 : x
  2. Step 2: Convert to fraction form
    83,006.78/124,534.09 = 40,899.52/x
  3. Step 3: Cross multiply
    83,006.78x = 124,534.09 × 40,899.52
  4. Step 4: Simplify right side
    83,006.78x = 5,093,384,010.92
  5. Step 5: Solve for x
    x = 5,093,384,010.92/83,006.78
  6. Step 6: Final answer
    x = 61,361.06

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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.