Home / 77,713.20-116,594.64-27,792.72

Finding the Fourth Proportional to 77,713.20, 116,594.64 and 27,792.72

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Solution

The fourth proportional to 77,713.20, 116,594.64 and 27,792.72 is: 41,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,713.20 : 116,594.64 = 27,792.72 : x
  2. Step 2: Convert to fraction form
    77,713.20/116,594.64 = 27,792.72/x
  3. Step 3: Cross multiply
    77,713.20x = 116,594.64 × 27,792.72
  4. Step 4: Simplify right side
    77,713.20x = 3,240,482,183.02
  5. Step 5: Solve for x
    x = 3,240,482,183.02/77,713.20
  6. Step 6: Final answer
    x = 41,697.96

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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.