Home / 80,260.52-120,341.48-38,083.50

Finding the Fourth Proportional to 80,260.52, 120,341.48 and 38,083.50

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Solution

The fourth proportional to 80,260.52, 120,341.48 and 38,083.50 is: 57,101.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,260.52 : 120,341.48 = 38,083.50 : x
  2. Step 2: Convert to fraction form
    80,260.52/120,341.48 = 38,083.50/x
  3. Step 3: Cross multiply
    80,260.52x = 120,341.48 × 38,083.50
  4. Step 4: Simplify right side
    80,260.52x = 4,583,024,563.16
  5. Step 5: Solve for x
    x = 4,583,024,563.16/80,260.52
  6. Step 6: Final answer
    x = 57,101.86

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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.