Home / 83,039.22-124,578.61-26,879.36

Finding the Fourth Proportional to 83,039.22, 124,578.61 and 26,879.36

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Solution

The fourth proportional to 83,039.22, 124,578.61 and 26,879.36 is: 40,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,039.22 : 124,578.61 = 26,879.36 : x
  2. Step 2: Convert to fraction form
    83,039.22/124,578.61 = 26,879.36/x
  3. Step 3: Cross multiply
    83,039.22x = 124,578.61 × 26,879.36
  4. Step 4: Simplify right side
    83,039.22x = 3,348,592,616.40
  5. Step 5: Solve for x
    x = 3,348,592,616.40/83,039.22
  6. Step 6: Final answer
    x = 40,325.43

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1.5x scale

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.