Home / 54,541.16-75,266.06-30,667.89

Finding the Fourth Proportional to 54,541.16, 75,266.06 and 30,667.89

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Solution

The fourth proportional to 54,541.16, 75,266.06 and 30,667.89 is: 42,321.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,541.16 : 75,266.06 = 30,667.89 : x
  2. Step 2: Convert to fraction form
    54,541.16/75,266.06 = 30,667.89/x
  3. Step 3: Cross multiply
    54,541.16x = 75,266.06 × 30,667.89
  4. Step 4: Simplify right side
    54,541.16x = 2,308,251,338.54
  5. Step 5: Solve for x
    x = 2,308,251,338.54/54,541.16
  6. Step 6: Final answer
    x = 42,321.27

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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.