Home / 48,469.34-66,860.37-28,321.94

Finding the Fourth Proportional to 48,469.34, 66,860.37 and 28,321.94

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Solution

The fourth proportional to 48,469.34, 66,860.37 and 28,321.94 is: 39,068.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,469.34 : 66,860.37 = 28,321.94 : x
  2. Step 2: Convert to fraction form
    48,469.34/66,860.37 = 28,321.94/x
  3. Step 3: Cross multiply
    48,469.34x = 66,860.37 × 28,321.94
  4. Step 4: Simplify right side
    48,469.34x = 1,893,615,387.52
  5. Step 5: Solve for x
    x = 1,893,615,387.52/48,469.34
  6. Step 6: Final answer
    x = 39,068.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.