Home / 49,310.16-68,177.60-47,106.96

Finding the Fourth Proportional to 49,310.16, 68,177.60 and 47,106.96

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Solution

The fourth proportional to 49,310.16, 68,177.60 and 47,106.96 is: 65,131.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,310.16 : 68,177.60 = 47,106.96 : x
  2. Step 2: Convert to fraction form
    49,310.16/68,177.60 = 47,106.96/x
  3. Step 3: Cross multiply
    49,310.16x = 68,177.60 × 47,106.96
  4. Step 4: Simplify right side
    49,310.16x = 3,211,639,476.10
  5. Step 5: Solve for x
    x = 3,211,639,476.10/49,310.16
  6. Step 6: Final answer
    x = 65,131.39

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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.