Home / 90,708.53-136,063.08-27,529.19

Finding the Fourth Proportional to 90,708.53, 136,063.08 and 27,529.19

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Solution

The fourth proportional to 90,708.53, 136,063.08 and 27,529.19 is: 41,293.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,708.53 : 136,063.08 = 27,529.19 : x
  2. Step 2: Convert to fraction form
    90,708.53/136,063.08 = 27,529.19/x
  3. Step 3: Cross multiply
    90,708.53x = 136,063.08 × 27,529.19
  4. Step 4: Simplify right side
    90,708.53x = 3,745,705,700.99
  5. Step 5: Solve for x
    x = 3,745,705,700.99/90,708.53
  6. Step 6: Final answer
    x = 41,293.87

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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.