Home / 83,046.10-124,508.80-33,111.22

Finding the Fourth Proportional to 83,046.10, 124,508.80 and 33,111.22

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Solution

The fourth proportional to 83,046.10, 124,508.80 and 33,111.22 is: 49,642.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,046.10 : 124,508.80 = 33,111.22 : x
  2. Step 2: Convert to fraction form
    83,046.10/124,508.80 = 33,111.22/x
  3. Step 3: Cross multiply
    83,046.10x = 124,508.80 × 33,111.22
  4. Step 4: Simplify right side
    83,046.10x = 4,122,638,268.74
  5. Step 5: Solve for x
    x = 4,122,638,268.74/83,046.10
  6. Step 6: Final answer
    x = 49,642.77

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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.