Home / 107,516.07-161,276.34-39,125.28

Finding the Fourth Proportional to 107,516.07, 161,276.34 and 39,125.28

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Solution

The fourth proportional to 107,516.07, 161,276.34 and 39,125.28 is: 58,688.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,516.07 : 161,276.34 = 39,125.28 : x
  2. Step 2: Convert to fraction form
    107,516.07/161,276.34 = 39,125.28/x
  3. Step 3: Cross multiply
    107,516.07x = 161,276.34 × 39,125.28
  4. Step 4: Simplify right side
    107,516.07x = 6,309,981,959.88
  5. Step 5: Solve for x
    x = 6,309,981,959.88/107,516.07
  6. Step 6: Final answer
    x = 58,688.73

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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.