Home / 54,642.76-75,407.22-30,770.44

Finding the Fourth Proportional to 54,642.76, 75,407.22 and 30,770.44

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Solution

The fourth proportional to 54,642.76, 75,407.22 and 30,770.44 is: 42,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,642.76 : 75,407.22 = 30,770.44 : x
  2. Step 2: Convert to fraction form
    54,642.76/75,407.22 = 30,770.44/x
  3. Step 3: Cross multiply
    54,642.76x = 75,407.22 × 30,770.44
  4. Step 4: Simplify right side
    54,642.76x = 2,320,313,338.58
  5. Step 5: Solve for x
    x = 2,320,313,338.58/54,642.76
  6. Step 6: Final answer
    x = 42,463.33

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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.