Home / 105,958.12-146,157.42-62,908.42

Finding the Fourth Proportional to 105,958.12, 146,157.42 and 62,908.42

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Solution

The fourth proportional to 105,958.12, 146,157.42 and 62,908.42 is: 86,775.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,958.12 : 146,157.42 = 62,908.42 : x
  2. Step 2: Convert to fraction form
    105,958.12/146,157.42 = 62,908.42/x
  3. Step 3: Cross multiply
    105,958.12x = 146,157.42 × 62,908.42
  4. Step 4: Simplify right side
    105,958.12x = 9,194,532,363.48
  5. Step 5: Solve for x
    x = 9,194,532,363.48/105,958.12
  6. Step 6: Final answer
    x = 86,775.16

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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.