Home / 107,515.33-161,275.21-39,124.54

Finding the Fourth Proportional to 107,515.33, 161,275.21 and 39,124.54

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Solution

The fourth proportional to 107,515.33, 161,275.21 and 39,124.54 is: 58,687.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,515.33 : 161,275.21 = 39,124.54 : x
  2. Step 2: Convert to fraction form
    107,515.33/161,275.21 = 39,124.54/x
  3. Step 3: Cross multiply
    107,515.33x = 161,275.21 × 39,124.54
  4. Step 4: Simplify right side
    107,515.33x = 6,309,817,903.65
  5. Step 5: Solve for x
    x = 6,309,817,903.65/107,515.33
  6. Step 6: Final answer
    x = 58,687.61

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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.