Home / 105,020.30-157,540.26-41,825.18

Finding the Fourth Proportional to 105,020.30, 157,540.26 and 41,825.18

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Solution

The fourth proportional to 105,020.30, 157,540.26 and 41,825.18 is: 62,741.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,020.30 : 157,540.26 = 41,825.18 : x
  2. Step 2: Convert to fraction form
    105,020.30/157,540.26 = 41,825.18/x
  3. Step 3: Cross multiply
    105,020.30x = 157,540.26 × 41,825.18
  4. Step 4: Simplify right side
    105,020.30x = 6,589,149,731.75
  5. Step 5: Solve for x
    x = 6,589,149,731.75/105,020.30
  6. Step 6: Final answer
    x = 62,741.68

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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.