Home / 115,861.70-173,792.55-49,285.10

Finding the Fourth Proportional to 115,861.70, 173,792.55 and 49,285.10

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Solution

The fourth proportional to 115,861.70, 173,792.55 and 49,285.10 is: 73,927.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,861.70 : 173,792.55 = 49,285.10 : x
  2. Step 2: Convert to fraction form
    115,861.70/173,792.55 = 49,285.10/x
  3. Step 3: Cross multiply
    115,861.70x = 173,792.55 × 49,285.10
  4. Step 4: Simplify right side
    115,861.70x = 8,565,383,206.01
  5. Step 5: Solve for x
    x = 8,565,383,206.01/115,861.70
  6. Step 6: Final answer
    x = 73,927.65

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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.