Home / 89,942.06-124,116.78-49,654.96

Finding the Fourth Proportional to 89,942.06, 124,116.78 and 49,654.96

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Solution

The fourth proportional to 89,942.06, 124,116.78 and 49,654.96 is: 68,522.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,942.06 : 124,116.78 = 49,654.96 : x
  2. Step 2: Convert to fraction form
    89,942.06/124,116.78 = 49,654.96/x
  3. Step 3: Cross multiply
    89,942.06x = 124,116.78 × 49,654.96
  4. Step 4: Simplify right side
    89,942.06x = 6,163,013,746.23
  5. Step 5: Solve for x
    x = 6,163,013,746.23/89,942.06
  6. Step 6: Final answer
    x = 68,522.04

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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.