Home / 54,449.93-75,138.22-30,577.61

Finding the Fourth Proportional to 54,449.93, 75,138.22 and 30,577.61

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Solution

The fourth proportional to 54,449.93, 75,138.22 and 30,577.61 is: 42,195.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,449.93 : 75,138.22 = 30,577.61 : x
  2. Step 2: Convert to fraction form
    54,449.93/75,138.22 = 30,577.61/x
  3. Step 3: Cross multiply
    54,449.93x = 75,138.22 × 30,577.61
  4. Step 4: Simplify right side
    54,449.93x = 2,297,547,187.25
  5. Step 5: Solve for x
    x = 2,297,547,187.25/54,449.93
  6. Step 6: Final answer
    x = 42,195.59

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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.