Home / 54,742.65-82,077.52-19,677.75

Finding the Fourth Proportional to 54,742.65, 82,077.52 and 19,677.75

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Solution

The fourth proportional to 54,742.65, 82,077.52 and 19,677.75 is: 29,503.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,742.65 : 82,077.52 = 19,677.75 : x
  2. Step 2: Convert to fraction form
    54,742.65/82,077.52 = 19,677.75/x
  3. Step 3: Cross multiply
    54,742.65x = 82,077.52 × 19,677.75
  4. Step 4: Simplify right side
    54,742.65x = 1,615,100,919.18
  5. Step 5: Solve for x
    x = 1,615,100,919.18/54,742.65
  6. Step 6: Final answer
    x = 29,503.52

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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.