Home / 54,907.27-75,771.49-30,707.97

Finding the Fourth Proportional to 54,907.27, 75,771.49 and 30,707.97

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Solution

The fourth proportional to 54,907.27, 75,771.49 and 30,707.97 is: 42,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,907.27 : 75,771.49 = 30,707.97 : x
  2. Step 2: Convert to fraction form
    54,907.27/75,771.49 = 30,707.97/x
  3. Step 3: Cross multiply
    54,907.27x = 75,771.49 × 30,707.97
  4. Step 4: Simplify right side
    54,907.27x = 2,326,788,641.78
  5. Step 5: Solve for x
    x = 2,326,788,641.78/54,907.27
  6. Step 6: Final answer
    x = 42,376.70

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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.