Home / 90,083.24-124,309.44-49,794.60

Finding the Fourth Proportional to 90,083.24, 124,309.44 and 49,794.60

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Solution

The fourth proportional to 90,083.24, 124,309.44 and 49,794.60 is: 68,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,083.24 : 124,309.44 = 49,794.60 : x
  2. Step 2: Convert to fraction form
    90,083.24/124,309.44 = 49,794.60/x
  3. Step 3: Cross multiply
    90,083.24x = 124,309.44 × 49,794.60
  4. Step 4: Simplify right side
    90,083.24x = 6,189,938,841.02
  5. Step 5: Solve for x
    x = 6,189,938,841.02/90,083.24
  6. Step 6: Final answer
    x = 68,713.55

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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.