Home / 54,742.41-82,077.14-19,677.51

Finding the Fourth Proportional to 54,742.41, 82,077.14 and 19,677.51

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Solution

The fourth proportional to 54,742.41, 82,077.14 and 19,677.51 is: 29,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,742.41 : 82,077.14 = 19,677.51 : x
  2. Step 2: Convert to fraction form
    54,742.41/82,077.14 = 19,677.51/x
  3. Step 3: Cross multiply
    54,742.41x = 82,077.14 × 19,677.51
  4. Step 4: Simplify right side
    54,742.41x = 1,615,073,644.73
  5. Step 5: Solve for x
    x = 1,615,073,644.73/54,742.41
  6. Step 6: Final answer
    x = 29,503.15

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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.