Home / 54,961.23-75,846.49-31,087.38

Finding the Fourth Proportional to 54,961.23, 75,846.49 and 31,087.38

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Solution

The fourth proportional to 54,961.23, 75,846.49 and 31,087.38 is: 42,900.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,961.23 : 75,846.49 = 31,087.38 : x
  2. Step 2: Convert to fraction form
    54,961.23/75,846.49 = 31,087.38/x
  3. Step 3: Cross multiply
    54,961.23x = 75,846.49 × 31,087.38
  4. Step 4: Simplify right side
    54,961.23x = 2,357,868,578.58
  5. Step 5: Solve for x
    x = 2,357,868,578.58/54,961.23
  6. Step 6: Final answer
    x = 42,900.58

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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.