Home / 54,156.31-74,737.42-30,282.93

Finding the Fourth Proportional to 54,156.31, 74,737.42 and 30,282.93

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Solution

The fourth proportional to 54,156.31, 74,737.42 and 30,282.93 is: 41,791.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,156.31 : 74,737.42 = 30,282.93 : x
  2. Step 2: Convert to fraction form
    54,156.31/74,737.42 = 30,282.93/x
  3. Step 3: Cross multiply
    54,156.31x = 74,737.42 × 30,282.93
  4. Step 4: Simplify right side
    54,156.31x = 2,263,267,982.53
  5. Step 5: Solve for x
    x = 2,263,267,982.53/54,156.31
  6. Step 6: Final answer
    x = 41,791.40

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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.