Home / 54,802.77-82,154.80-19,717.75

Finding the Fourth Proportional to 54,802.77, 82,154.80 and 19,717.75

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Solution

The fourth proportional to 54,802.77, 82,154.80 and 19,717.75 is: 29,558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,802.77 : 82,154.80 = 19,717.75 : x
  2. Step 2: Convert to fraction form
    54,802.77/82,154.80 = 19,717.75/x
  3. Step 3: Cross multiply
    54,802.77x = 82,154.80 × 19,717.75
  4. Step 4: Simplify right side
    54,802.77x = 1,619,907,807.70
  5. Step 5: Solve for x
    x = 1,619,907,807.70/54,802.77
  6. Step 6: Final answer
    x = 29,558.87

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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.