Home / 107,911.10-161,881.42-36,814.65

Finding the Fourth Proportional to 107,911.10, 161,881.42 and 36,814.65

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Solution

The fourth proportional to 107,911.10, 161,881.42 and 36,814.65 is: 55,227.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,911.10 : 161,881.42 = 36,814.65 : x
  2. Step 2: Convert to fraction form
    107,911.10/161,881.42 = 36,814.65/x
  3. Step 3: Cross multiply
    107,911.10x = 161,881.42 × 36,814.65
  4. Step 4: Simplify right side
    107,911.10x = 5,959,607,818.80
  5. Step 5: Solve for x
    x = 5,959,607,818.80/107,911.10
  6. Step 6: Final answer
    x = 55,227.01

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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.