Home / 105,882.21-146,116.44-58,135.14

Finding the Fourth Proportional to 105,882.21, 146,116.44 and 58,135.14

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Solution

The fourth proportional to 105,882.21, 146,116.44 and 58,135.14 is: 80,225.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,882.21 : 146,116.44 = 58,135.14 : x
  2. Step 2: Convert to fraction form
    105,882.21/146,116.44 = 58,135.14/x
  3. Step 3: Cross multiply
    105,882.21x = 146,116.44 × 58,135.14
  4. Step 4: Simplify right side
    105,882.21x = 8,494,499,695.70
  5. Step 5: Solve for x
    x = 8,494,499,695.70/105,882.21
  6. Step 6: Final answer
    x = 80,225.94

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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.