Home / 54,181.62-74,776.26-31,212.24

Finding the Fourth Proportional to 54,181.62, 74,776.26 and 31,212.24

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Solution

The fourth proportional to 54,181.62, 74,776.26 and 31,212.24 is: 43,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,181.62 : 74,776.26 = 31,212.24 : x
  2. Step 2: Convert to fraction form
    54,181.62/74,776.26 = 31,212.24/x
  3. Step 3: Cross multiply
    54,181.62x = 74,776.26 × 31,212.24
  4. Step 4: Simplify right side
    54,181.62x = 2,333,934,573.42
  5. Step 5: Solve for x
    x = 2,333,934,573.42/54,181.62
  6. Step 6: Final answer
    x = 43,076.13

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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.