Home / 107,998.11-162,000.81-29,113.02

Finding the Fourth Proportional to 107,998.11, 162,000.81 and 29,113.02

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Solution

The fourth proportional to 107,998.11, 162,000.81 and 29,113.02 is: 43,670.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,998.11 : 162,000.81 = 29,113.02 : x
  2. Step 2: Convert to fraction form
    107,998.11/162,000.81 = 29,113.02/x
  3. Step 3: Cross multiply
    107,998.11x = 162,000.81 × 29,113.02
  4. Step 4: Simplify right side
    107,998.11x = 4,716,332,821.55
  5. Step 5: Solve for x
    x = 4,716,332,821.55/107,998.11
  6. Step 6: Final answer
    x = 43,670.51

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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.