Home / 106,479.36-146,942.10-58,732.70

Finding the Fourth Proportional to 106,479.36, 146,942.10 and 58,732.70

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Solution

The fourth proportional to 106,479.36, 146,942.10 and 58,732.70 is: 81,051.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,479.36 : 146,942.10 = 58,732.70 : x
  2. Step 2: Convert to fraction form
    106,479.36/146,942.10 = 58,732.70/x
  3. Step 3: Cross multiply
    106,479.36x = 146,942.10 × 58,732.70
  4. Step 4: Simplify right side
    106,479.36x = 8,630,305,541.96
  5. Step 5: Solve for x
    x = 8,630,305,541.96/106,479.36
  6. Step 6: Final answer
    x = 81,051.44

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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.