Home / 54,115.70-74,681.27-30,242.44

Finding the Fourth Proportional to 54,115.70, 74,681.27 and 30,242.44

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Solution

The fourth proportional to 54,115.70, 74,681.27 and 30,242.44 is: 41,735.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,115.70 : 74,681.27 = 30,242.44 : x
  2. Step 2: Convert to fraction form
    54,115.70/74,681.27 = 30,242.44/x
  3. Step 3: Cross multiply
    54,115.70x = 74,681.27 × 30,242.44
  4. Step 4: Simplify right side
    54,115.70x = 2,258,543,827.10
  5. Step 5: Solve for x
    x = 2,258,543,827.10/54,115.70
  6. Step 6: Final answer
    x = 41,735.46

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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.