Home / 85,206.08-117,584.16-49,416.86

Finding the Fourth Proportional to 85,206.08, 117,584.16 and 49,416.86

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Solution

The fourth proportional to 85,206.08, 117,584.16 and 49,416.86 is: 68,195.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,206.08 : 117,584.16 = 49,416.86 : x
  2. Step 2: Convert to fraction form
    85,206.08/117,584.16 = 49,416.86/x
  3. Step 3: Cross multiply
    85,206.08x = 117,584.16 × 49,416.86
  4. Step 4: Simplify right side
    85,206.08x = 5,810,639,972.94
  5. Step 5: Solve for x
    x = 5,810,639,972.94/85,206.08
  6. Step 6: Final answer
    x = 68,195.13

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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.