Home / 54,751.68-75,488.85-45,690.09

Finding the Fourth Proportional to 54,751.68, 75,488.85 and 45,690.09

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Solution

The fourth proportional to 54,751.68, 75,488.85 and 45,690.09 is: 62,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,751.68 : 75,488.85 = 45,690.09 : x
  2. Step 2: Convert to fraction form
    54,751.68/75,488.85 = 45,690.09/x
  3. Step 3: Cross multiply
    54,751.68x = 75,488.85 × 45,690.09
  4. Step 4: Simplify right side
    54,751.68x = 3,449,092,620.54
  5. Step 5: Solve for x
    x = 3,449,092,620.54/54,751.68
  6. Step 6: Final answer
    x = 62,995.20

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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.