Home / 54,366.38-74,976.90-42,888.27

Finding the Fourth Proportional to 54,366.38, 74,976.90 and 42,888.27

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Solution

The fourth proportional to 54,366.38, 74,976.90 and 42,888.27 is: 59,147.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,366.38 : 74,976.90 = 42,888.27 : x
  2. Step 2: Convert to fraction form
    54,366.38/74,976.90 = 42,888.27/x
  3. Step 3: Cross multiply
    54,366.38x = 74,976.90 × 42,888.27
  4. Step 4: Simplify right side
    54,366.38x = 3,215,629,530.96
  5. Step 5: Solve for x
    x = 3,215,629,530.96/54,366.38
  6. Step 6: Final answer
    x = 59,147.39

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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.