Home / 77,522.13-116,286.03-21,366.72

Finding the Fourth Proportional to 77,522.13, 116,286.03 and 21,366.72

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Solution

The fourth proportional to 77,522.13, 116,286.03 and 21,366.72 is: 32,050.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,522.13 : 116,286.03 = 21,366.72 : x
  2. Step 2: Convert to fraction form
    77,522.13/116,286.03 = 21,366.72/x
  3. Step 3: Cross multiply
    77,522.13x = 116,286.03 × 21,366.72
  4. Step 4: Simplify right side
    77,522.13x = 2,484,651,042.92
  5. Step 5: Solve for x
    x = 2,484,651,042.92/77,522.13
  6. Step 6: Final answer
    x = 32,050.86

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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.