Home / 105,346.30-158,081.80-38,833.14

Finding the Fourth Proportional to 105,346.30, 158,081.80 and 38,833.14

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Solution

The fourth proportional to 105,346.30, 158,081.80 and 38,833.14 is: 58,272.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,346.30 : 158,081.80 = 38,833.14 : x
  2. Step 2: Convert to fraction form
    105,346.30/158,081.80 = 38,833.14/x
  3. Step 3: Cross multiply
    105,346.30x = 158,081.80 × 38,833.14
  4. Step 4: Simplify right side
    105,346.30x = 6,138,812,670.85
  5. Step 5: Solve for x
    x = 6,138,812,670.85/105,346.30
  6. Step 6: Final answer
    x = 58,272.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.