Home / 105,832.40-146,044.14-58,086.56

Finding the Fourth Proportional to 105,832.40, 146,044.14 and 58,086.56

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Solution

The fourth proportional to 105,832.40, 146,044.14 and 58,086.56 is: 80,156.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,832.40 : 146,044.14 = 58,086.56 : x
  2. Step 2: Convert to fraction form
    105,832.40/146,044.14 = 58,086.56/x
  3. Step 3: Cross multiply
    105,832.40x = 146,044.14 × 58,086.56
  4. Step 4: Simplify right side
    105,832.40x = 8,483,201,700.76
  5. Step 5: Solve for x
    x = 8,483,201,700.76/105,832.40
  6. Step 6: Final answer
    x = 80,156.94

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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.