Home / 54,578.16-81,758.88-42,054.75

Finding the Fourth Proportional to 54,578.16, 81,758.88 and 42,054.75

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Solution

The fourth proportional to 54,578.16, 81,758.88 and 42,054.75 is: 62,998.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,578.16 : 81,758.88 = 42,054.75 : x
  2. Step 2: Convert to fraction form
    54,578.16/81,758.88 = 42,054.75/x
  3. Step 3: Cross multiply
    54,578.16x = 81,758.88 × 42,054.75
  4. Step 4: Simplify right side
    54,578.16x = 3,438,349,258.68
  5. Step 5: Solve for x
    x = 3,438,349,258.68/54,578.16
  6. Step 6: Final answer
    x = 62,998.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.