Home / 54,654.14-75,421.33-30,781.01

Finding the Fourth Proportional to 54,654.14, 75,421.33 and 30,781.01

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Solution

The fourth proportional to 54,654.14, 75,421.33 and 30,781.01 is: 42,477.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,654.14 : 75,421.33 = 30,781.01 : x
  2. Step 2: Convert to fraction form
    54,654.14/75,421.33 = 30,781.01/x
  3. Step 3: Cross multiply
    54,654.14x = 75,421.33 × 30,781.01
  4. Step 4: Simplify right side
    54,654.14x = 2,321,544,824.54
  5. Step 5: Solve for x
    x = 2,321,544,824.54/54,654.14
  6. Step 6: Final answer
    x = 42,477.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.