Home / 115,738.60-173,624.10-49,178.20

Finding the Fourth Proportional to 115,738.60, 173,624.10 and 49,178.20

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Solution

The fourth proportional to 115,738.60, 173,624.10 and 49,178.20 is: 73,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,738.60 : 173,624.10 = 49,178.20 : x
  2. Step 2: Convert to fraction form
    115,738.60/173,624.10 = 49,178.20/x
  3. Step 3: Cross multiply
    115,738.60x = 173,624.10 × 49,178.20
  4. Step 4: Simplify right side
    115,738.60x = 8,538,520,714.62
  5. Step 5: Solve for x
    x = 8,538,520,714.62/115,738.60
  6. Step 6: Final answer
    x = 73,774.18

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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.