Home / 86,623.20-119,527.92-48,381.12

Finding the Fourth Proportional to 86,623.20, 119,527.92 and 48,381.12

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Solution

The fourth proportional to 86,623.20, 119,527.92 and 48,381.12 is: 66,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,623.20 : 119,527.92 = 48,381.12 : x
  2. Step 2: Convert to fraction form
    86,623.20/119,527.92 = 48,381.12/x
  3. Step 3: Cross multiply
    86,623.20x = 119,527.92 × 48,381.12
  4. Step 4: Simplify right side
    86,623.20x = 5,782,894,640.87
  5. Step 5: Solve for x
    x = 5,782,894,640.87/86,623.20
  6. Step 6: Final answer
    x = 66,759.19

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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.