Home / 107,407.67-161,113.13-37,289.21

Finding the Fourth Proportional to 107,407.67, 161,113.13 and 37,289.21

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Solution

The fourth proportional to 107,407.67, 161,113.13 and 37,289.21 is: 55,934.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,407.67 : 161,113.13 = 37,289.21 : x
  2. Step 2: Convert to fraction form
    107,407.67/161,113.13 = 37,289.21/x
  3. Step 3: Cross multiply
    107,407.67x = 161,113.13 × 37,289.21
  4. Step 4: Simplify right side
    107,407.67x = 6,007,781,338.33
  5. Step 5: Solve for x
    x = 6,007,781,338.33/107,407.67
  6. Step 6: Final answer
    x = 55,934.38

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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.