Home / 54,516.03-75,221.10-31,850.65

Finding the Fourth Proportional to 54,516.03, 75,221.10 and 31,850.65

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Solution

The fourth proportional to 54,516.03, 75,221.10 and 31,850.65 is: 43,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,516.03 : 75,221.10 = 31,850.65 : x
  2. Step 2: Convert to fraction form
    54,516.03/75,221.10 = 31,850.65/x
  3. Step 3: Cross multiply
    54,516.03x = 75,221.10 × 31,850.65
  4. Step 4: Simplify right side
    54,516.03x = 2,395,840,502.90
  5. Step 5: Solve for x
    x = 2,395,840,502.90/54,516.03
  6. Step 6: Final answer
    x = 43,947.45

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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.