Home / 107,515.83-161,275.96-39,125.04

Finding the Fourth Proportional to 107,515.83, 161,275.96 and 39,125.04

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Solution

The fourth proportional to 107,515.83, 161,275.96 and 39,125.04 is: 58,688.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,515.83 : 161,275.96 = 39,125.04 : x
  2. Step 2: Convert to fraction form
    107,515.83/161,275.96 = 39,125.04/x
  3. Step 3: Cross multiply
    107,515.83x = 161,275.96 × 39,125.04
  4. Step 4: Simplify right side
    107,515.83x = 6,309,928,386.04
  5. Step 5: Solve for x
    x = 6,309,928,386.04/107,515.83
  6. Step 6: Final answer
    x = 58,688.37

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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.