Home / 105,287.16-157,992.96-38,774.04

Finding the Fourth Proportional to 105,287.16, 157,992.96 and 38,774.04

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Solution

The fourth proportional to 105,287.16, 157,992.96 and 38,774.04 is: 58,183.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,287.16 : 157,992.96 = 38,774.04 : x
  2. Step 2: Convert to fraction form
    105,287.16/157,992.96 = 38,774.04/x
  3. Step 3: Cross multiply
    105,287.16x = 157,992.96 × 38,774.04
  4. Step 4: Simplify right side
    105,287.16x = 6,126,025,350.76
  5. Step 5: Solve for x
    x = 6,126,025,350.76/105,287.16
  6. Step 6: Final answer
    x = 58,183.97

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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.