Home / 54,177.25-74,764.79-30,302.39

Finding the Fourth Proportional to 54,177.25, 74,764.79 and 30,302.39

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Solution

The fourth proportional to 54,177.25, 74,764.79 and 30,302.39 is: 41,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,177.25 : 74,764.79 = 30,302.39 : x
  2. Step 2: Convert to fraction form
    54,177.25/74,764.79 = 30,302.39/x
  3. Step 3: Cross multiply
    54,177.25x = 74,764.79 × 30,302.39
  4. Step 4: Simplify right side
    54,177.25x = 2,265,551,824.85
  5. Step 5: Solve for x
    x = 2,265,551,824.85/54,177.25
  6. Step 6: Final answer
    x = 41,817.40

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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.