Home / 73,001.11-109,513.01-30,881.29

Finding the Fourth Proportional to 73,001.11, 109,513.01 and 30,881.29

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Solution

The fourth proportional to 73,001.11, 109,513.01 and 30,881.29 is: 46,326.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,001.11 : 109,513.01 = 30,881.29 : x
  2. Step 2: Convert to fraction form
    73,001.11/109,513.01 = 30,881.29/x
  3. Step 3: Cross multiply
    73,001.11x = 109,513.01 × 30,881.29
  4. Step 4: Simplify right side
    73,001.11x = 3,381,903,020.58
  5. Step 5: Solve for x
    x = 3,381,903,020.58/73,001.11
  6. Step 6: Final answer
    x = 46,326.73

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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.