Home / 102,913.94-154,444.71-43,791.14

Finding the Fourth Proportional to 102,913.94, 154,444.71 and 43,791.14

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Solution

The fourth proportional to 102,913.94, 154,444.71 and 43,791.14 is: 65,718.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,913.94 : 154,444.71 = 43,791.14 : x
  2. Step 2: Convert to fraction form
    102,913.94/154,444.71 = 43,791.14/x
  3. Step 3: Cross multiply
    102,913.94x = 154,444.71 × 43,791.14
  4. Step 4: Simplify right side
    102,913.94x = 6,763,309,917.87
  5. Step 5: Solve for x
    x = 6,763,309,917.87/102,913.94
  6. Step 6: Final answer
    x = 65,718.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.