Home / 90,166.66-135,495.36-48,076.47

Finding the Fourth Proportional to 90,166.66, 135,495.36 and 48,076.47

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Solution

The fourth proportional to 90,166.66, 135,495.36 and 48,076.47 is: 72,245.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,166.66 : 135,495.36 = 48,076.47 : x
  2. Step 2: Convert to fraction form
    90,166.66/135,495.36 = 48,076.47/x
  3. Step 3: Cross multiply
    90,166.66x = 135,495.36 × 48,076.47
  4. Step 4: Simplify right side
    90,166.66x = 6,514,138,610.18
  5. Step 5: Solve for x
    x = 6,514,138,610.18/90,166.66
  6. Step 6: Final answer
    x = 72,245.54

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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.