Home / 87,276.03-120,441.03-49,035.58

Finding the Fourth Proportional to 87,276.03, 120,441.03 and 49,035.58

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Solution

The fourth proportional to 87,276.03, 120,441.03 and 49,035.58 is: 67,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,276.03 : 120,441.03 = 49,035.58 : x
  2. Step 2: Convert to fraction form
    87,276.03/120,441.03 = 49,035.58/x
  3. Step 3: Cross multiply
    87,276.03x = 120,441.03 × 49,035.58
  4. Step 4: Simplify right side
    87,276.03x = 5,905,895,276.86
  5. Step 5: Solve for x
    x = 5,905,895,276.86/87,276.03
  6. Step 6: Final answer
    x = 67,669.15

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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.