Home / 54,711.08-75,504.84-30,514.76

Finding the Fourth Proportional to 54,711.08, 75,504.84 and 30,514.76

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Solution

The fourth proportional to 54,711.08, 75,504.84 and 30,514.76 is: 42,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,711.08 : 75,504.84 = 30,514.76 : x
  2. Step 2: Convert to fraction form
    54,711.08/75,504.84 = 30,514.76/x
  3. Step 3: Cross multiply
    54,711.08x = 75,504.84 × 30,514.76
  4. Step 4: Simplify right side
    54,711.08x = 2,304,012,071.44
  5. Step 5: Solve for x
    x = 2,304,012,071.44/54,711.08
  6. Step 6: Final answer
    x = 42,112.35

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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.