Home / 54,833.88-75,665.12-31,860.12

Finding the Fourth Proportional to 54,833.88, 75,665.12 and 31,860.12

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Solution

The fourth proportional to 54,833.88, 75,665.12 and 31,860.12 is: 43,963.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,833.88 : 75,665.12 = 31,860.12 : x
  2. Step 2: Convert to fraction form
    54,833.88/75,665.12 = 31,860.12/x
  3. Step 3: Cross multiply
    54,833.88x = 75,665.12 × 31,860.12
  4. Step 4: Simplify right side
    54,833.88x = 2,410,699,803.01
  5. Step 5: Solve for x
    x = 2,410,699,803.01/54,833.88
  6. Step 6: Final answer
    x = 43,963.69

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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.