Home / 105,864.30-146,094.39-58,122

Finding the Fourth Proportional to 105,864.30, 146,094.39 and 58,122

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Solution

The fourth proportional to 105,864.30, 146,094.39 and 58,122 is: 80,209.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,864.30 : 146,094.39 = 58,122 : x
  2. Step 2: Convert to fraction form
    105,864.30/146,094.39 = 58,122/x
  3. Step 3: Cross multiply
    105,864.30x = 146,094.39 × 58,122
  4. Step 4: Simplify right side
    105,864.30x = 8,491,298,135.58
  5. Step 5: Solve for x
    x = 8,491,298,135.58/105,864.30
  6. Step 6: Final answer
    x = 80,209.27

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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.