Home / 54,870.77-82,305.56-13,317.77

Finding the Fourth Proportional to 54,870.77, 82,305.56 and 13,317.77

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Solution

The fourth proportional to 54,870.77, 82,305.56 and 13,317.77 is: 19,976.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,870.77 : 82,305.56 = 13,317.77 : x
  2. Step 2: Convert to fraction form
    54,870.77/82,305.56 = 13,317.77/x
  3. Step 3: Cross multiply
    54,870.77x = 82,305.56 × 13,317.77
  4. Step 4: Simplify right side
    54,870.77x = 1,096,126,451.21
  5. Step 5: Solve for x
    x = 1,096,126,451.21/54,870.77
  6. Step 6: Final answer
    x = 19,976.51

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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.