Home / 107,713.76-161,570.57-28,825.92

Finding the Fourth Proportional to 107,713.76, 161,570.57 and 28,825.92

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Solution

The fourth proportional to 107,713.76, 161,570.57 and 28,825.92 is: 43,238.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,713.76 : 161,570.57 = 28,825.92 : x
  2. Step 2: Convert to fraction form
    107,713.76/161,570.57 = 28,825.92/x
  3. Step 3: Cross multiply
    107,713.76x = 161,570.57 × 28,825.92
  4. Step 4: Simplify right side
    107,713.76x = 4,657,420,181.04
  5. Step 5: Solve for x
    x = 4,657,420,181.04/107,713.76
  6. Step 6: Final answer
    x = 43,238.86

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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.