Home / 54,645.77-81,841.07-42,065.97

Finding the Fourth Proportional to 54,645.77, 81,841.07 and 42,065.97

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Solution

The fourth proportional to 54,645.77, 81,841.07 and 42,065.97 is: 63,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,645.77 : 81,841.07 = 42,065.97 : x
  2. Step 2: Convert to fraction form
    54,645.77/81,841.07 = 42,065.97/x
  3. Step 3: Cross multiply
    54,645.77x = 81,841.07 × 42,065.97
  4. Step 4: Simplify right side
    54,645.77x = 3,442,723,785.06
  5. Step 5: Solve for x
    x = 3,442,723,785.06/54,645.77
  6. Step 6: Final answer
    x = 63,000.74

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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.