Home / 71,654.14-107,317.29-34,240.51

Finding the Fourth Proportional to 71,654.14, 107,317.29 and 34,240.51

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Solution

The fourth proportional to 71,654.14, 107,317.29 and 34,240.51 is: 51,282.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,654.14 : 107,317.29 = 34,240.51 : x
  2. Step 2: Convert to fraction form
    71,654.14/107,317.29 = 34,240.51/x
  3. Step 3: Cross multiply
    71,654.14x = 107,317.29 × 34,240.51
  4. Step 4: Simplify right side
    71,654.14x = 3,674,598,741.42
  5. Step 5: Solve for x
    x = 3,674,598,741.42/71,654.14
  6. Step 6: Final answer
    x = 51,282.43

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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.