Home / 54,930.34-82,395.44-47,512.74

Finding the Fourth Proportional to 54,930.34, 82,395.44 and 47,512.74

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Solution

The fourth proportional to 54,930.34, 82,395.44 and 47,512.74 is: 71,269.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,930.34 : 82,395.44 = 47,512.74 : x
  2. Step 2: Convert to fraction form
    54,930.34/82,395.44 = 47,512.74/x
  3. Step 3: Cross multiply
    54,930.34x = 82,395.44 × 47,512.74
  4. Step 4: Simplify right side
    54,930.34x = 3,914,833,117.91
  5. Step 5: Solve for x
    x = 3,914,833,117.91/54,930.34
  6. Step 6: Final answer
    x = 71,269.05

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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.