Home / 90,026.57-124,237.97-49,741.26

Finding the Fourth Proportional to 90,026.57, 124,237.97 and 49,741.26

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Solution

The fourth proportional to 90,026.57, 124,237.97 and 49,741.26 is: 68,643.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,026.57 : 124,237.97 = 49,741.26 : x
  2. Step 2: Convert to fraction form
    90,026.57/124,237.97 = 49,741.26/x
  3. Step 3: Cross multiply
    90,026.57x = 124,237.97 × 49,741.26
  4. Step 4: Simplify right side
    90,026.57x = 6,179,752,918.94
  5. Step 5: Solve for x
    x = 6,179,752,918.94/90,026.57
  6. Step 6: Final answer
    x = 68,643.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.