Home / 127,383.12-191,076.57-48,501.72

Finding the Fourth Proportional to 127,383.12, 191,076.57 and 48,501.72

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Solution

The fourth proportional to 127,383.12, 191,076.57 and 48,501.72 is: 72,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,383.12 : 191,076.57 = 48,501.72 : x
  2. Step 2: Convert to fraction form
    127,383.12/191,076.57 = 48,501.72/x
  3. Step 3: Cross multiply
    127,383.12x = 191,076.57 × 48,501.72
  4. Step 4: Simplify right side
    127,383.12x = 9,267,542,296.70
  5. Step 5: Solve for x
    x = 9,267,542,296.70/127,383.12
  6. Step 6: Final answer
    x = 72,753.30

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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.