Home / 54,122.18-74,683.62-30,248.03

Finding the Fourth Proportional to 54,122.18, 74,683.62 and 30,248.03

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Solution

The fourth proportional to 54,122.18, 74,683.62 and 30,248.03 is: 41,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,122.18 : 74,683.62 = 30,248.03 : x
  2. Step 2: Convert to fraction form
    54,122.18/74,683.62 = 30,248.03/x
  3. Step 3: Cross multiply
    54,122.18x = 74,683.62 × 30,248.03
  4. Step 4: Simplify right side
    54,122.18x = 2,259,032,564.98
  5. Step 5: Solve for x
    x = 2,259,032,564.98/54,122.18
  6. Step 6: Final answer
    x = 41,739.50

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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.