Home / 54,722.10-82,083.18-42,260.34

Finding the Fourth Proportional to 54,722.10, 82,083.18 and 42,260.34

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Solution

The fourth proportional to 54,722.10, 82,083.18 and 42,260.34 is: 63,390.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,722.10 : 82,083.18 = 42,260.34 : x
  2. Step 2: Convert to fraction form
    54,722.10/82,083.18 = 42,260.34/x
  3. Step 3: Cross multiply
    54,722.10x = 82,083.18 × 42,260.34
  4. Step 4: Simplify right side
    54,722.10x = 3,468,863,095.08
  5. Step 5: Solve for x
    x = 3,468,863,095.08/54,722.10
  6. Step 6: Final answer
    x = 63,390.53

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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.