Home / 54,157.16-74,737.12-30,283.84

Finding the Fourth Proportional to 54,157.16, 74,737.12 and 30,283.84

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Solution

The fourth proportional to 54,157.16, 74,737.12 and 30,283.84 is: 41,791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,157.16 : 74,737.12 = 30,283.84 : x
  2. Step 2: Convert to fraction form
    54,157.16/74,737.12 = 30,283.84/x
  3. Step 3: Cross multiply
    54,157.16x = 74,737.12 × 30,283.84
  4. Step 4: Simplify right side
    54,157.16x = 2,263,326,721.59
  5. Step 5: Solve for x
    x = 2,263,326,721.59/54,157.16
  6. Step 6: Final answer
    x = 41,791.83

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1.5x scale

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.