Home / 69,701.23-104,553.90-17,110.72

Finding the Fourth Proportional to 69,701.23, 104,553.90 and 17,110.72

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Solution

The fourth proportional to 69,701.23, 104,553.90 and 17,110.72 is: 25,666.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,701.23 : 104,553.90 = 17,110.72 : x
  2. Step 2: Convert to fraction form
    69,701.23/104,553.90 = 17,110.72/x
  3. Step 3: Cross multiply
    69,701.23x = 104,553.90 × 17,110.72
  4. Step 4: Simplify right side
    69,701.23x = 1,788,992,507.81
  5. Step 5: Solve for x
    x = 1,788,992,507.81/69,701.23
  6. Step 6: Final answer
    x = 25,666.58

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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.