Home / 111,902.10-154,428.68-60,916.70

Finding the Fourth Proportional to 111,902.10, 154,428.68 and 60,916.70

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Solution

The fourth proportional to 111,902.10, 154,428.68 and 60,916.70 is: 84,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,902.10 : 154,428.68 = 60,916.70 : x
  2. Step 2: Convert to fraction form
    111,902.10/154,428.68 = 60,916.70/x
  3. Step 3: Cross multiply
    111,902.10x = 154,428.68 × 60,916.70
  4. Step 4: Simplify right side
    111,902.10x = 9,407,285,570.96
  5. Step 5: Solve for x
    x = 9,407,285,570.96/111,902.10
  6. Step 6: Final answer
    x = 84,067.10

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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.