Home / 54,960.47-75,843.16-31,087.54

Finding the Fourth Proportional to 54,960.47, 75,843.16 and 31,087.54

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Solution

The fourth proportional to 54,960.47, 75,843.16 and 31,087.54 is: 42,899.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,960.47 : 75,843.16 = 31,087.54 : x
  2. Step 2: Convert to fraction form
    54,960.47/75,843.16 = 31,087.54/x
  3. Step 3: Cross multiply
    54,960.47x = 75,843.16 × 31,087.54
  4. Step 4: Simplify right side
    54,960.47x = 2,357,777,002.90
  5. Step 5: Solve for x
    x = 2,357,777,002.90/54,960.47
  6. Step 6: Final answer
    x = 42,899.51

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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.