Home / 85,204.83-117,568.83-49,387.84

Finding the Fourth Proportional to 85,204.83, 117,568.83 and 49,387.84

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Solution

The fourth proportional to 85,204.83, 117,568.83 and 49,387.84 is: 68,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,204.83 : 117,568.83 = 49,387.84 : x
  2. Step 2: Convert to fraction form
    85,204.83/117,568.83 = 49,387.84/x
  3. Step 3: Cross multiply
    85,204.83x = 117,568.83 × 49,387.84
  4. Step 4: Simplify right side
    85,204.83x = 5,806,470,565.03
  5. Step 5: Solve for x
    x = 5,806,470,565.03/85,204.83
  6. Step 6: Final answer
    x = 68,147.20

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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.