Home / 54,799.20-75,625.38-30,927.96

Finding the Fourth Proportional to 54,799.20, 75,625.38 and 30,927.96

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Solution

The fourth proportional to 54,799.20, 75,625.38 and 30,927.96 is: 42,681.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,799.20 : 75,625.38 = 30,927.96 : x
  2. Step 2: Convert to fraction form
    54,799.20/75,625.38 = 30,927.96/x
  3. Step 3: Cross multiply
    54,799.20x = 75,625.38 × 30,927.96
  4. Step 4: Simplify right side
    54,799.20x = 2,338,938,727.62
  5. Step 5: Solve for x
    x = 2,338,938,727.62/54,799.20
  6. Step 6: Final answer
    x = 42,681.99

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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.