Home / 54,177.78-74,735.24-31,514.22

Finding the Fourth Proportional to 54,177.78, 74,735.24 and 31,514.22

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Solution

The fourth proportional to 54,177.78, 74,735.24 and 31,514.22 is: 43,472.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,177.78 : 74,735.24 = 31,514.22 : x
  2. Step 2: Convert to fraction form
    54,177.78/74,735.24 = 31,514.22/x
  3. Step 3: Cross multiply
    54,177.78x = 74,735.24 × 31,514.22
  4. Step 4: Simplify right side
    54,177.78x = 2,355,222,795.11
  5. Step 5: Solve for x
    x = 2,355,222,795.11/54,177.78
  6. Step 6: Final answer
    x = 43,472.12

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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.