Home / 86,705.75-119,663.66-48,982.43

Finding the Fourth Proportional to 86,705.75, 119,663.66 and 48,982.43

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Solution

The fourth proportional to 86,705.75, 119,663.66 and 48,982.43 is: 67,601.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,705.75 : 119,663.66 = 48,982.43 : x
  2. Step 2: Convert to fraction form
    86,705.75/119,663.66 = 48,982.43/x
  3. Step 3: Cross multiply
    86,705.75x = 119,663.66 × 48,982.43
  4. Step 4: Simplify right side
    86,705.75x = 5,861,416,849.49
  5. Step 5: Solve for x
    x = 5,861,416,849.49/86,705.75
  6. Step 6: Final answer
    x = 67,601.25

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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.