Home / 84,913.59-117,171.45-49,098.18

Finding the Fourth Proportional to 84,913.59, 117,171.45 and 49,098.18

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Solution

The fourth proportional to 84,913.59, 117,171.45 and 49,098.18 is: 67,750.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,913.59 : 117,171.45 = 49,098.18 : x
  2. Step 2: Convert to fraction form
    84,913.59/117,171.45 = 49,098.18/x
  3. Step 3: Cross multiply
    84,913.59x = 117,171.45 × 49,098.18
  4. Step 4: Simplify right side
    84,913.59x = 5,752,904,942.96
  5. Step 5: Solve for x
    x = 5,752,904,942.96/84,913.59
  6. Step 6: Final answer
    x = 67,750.11

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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.