Home / 54,211.44-74,759.30-42,270.42

Finding the Fourth Proportional to 54,211.44, 74,759.30 and 42,270.42

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Solution

The fourth proportional to 54,211.44, 74,759.30 and 42,270.42 is: 58,292.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,211.44 : 74,759.30 = 42,270.42 : x
  2. Step 2: Convert to fraction form
    54,211.44/74,759.30 = 42,270.42/x
  3. Step 3: Cross multiply
    54,211.44x = 74,759.30 × 42,270.42
  4. Step 4: Simplify right side
    54,211.44x = 3,160,107,475.19
  5. Step 5: Solve for x
    x = 3,160,107,475.19/54,211.44
  6. Step 6: Final answer
    x = 58,292.26

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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.