Home / 54,795.20-75,616.08-30,922.88

Finding the Fourth Proportional to 54,795.20, 75,616.08 and 30,922.88

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Solution

The fourth proportional to 54,795.20, 75,616.08 and 30,922.88 is: 42,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,795.20 : 75,616.08 = 30,922.88 : x
  2. Step 2: Convert to fraction form
    54,795.20/75,616.08 = 30,922.88/x
  3. Step 3: Cross multiply
    54,795.20x = 75,616.08 × 30,922.88
  4. Step 4: Simplify right side
    54,795.20x = 2,338,266,967.91
  5. Step 5: Solve for x
    x = 2,338,266,967.91/54,795.20
  6. Step 6: Final answer
    x = 42,672.84

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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.