Home / 104,766.12-157,115.16-45,584.28

Finding the Fourth Proportional to 104,766.12, 157,115.16 and 45,584.28

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Solution

The fourth proportional to 104,766.12, 157,115.16 and 45,584.28 is: 68,361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,766.12 : 157,115.16 = 45,584.28 : x
  2. Step 2: Convert to fraction form
    104,766.12/157,115.16 = 45,584.28/x
  3. Step 3: Cross multiply
    104,766.12x = 157,115.16 × 45,584.28
  4. Step 4: Simplify right side
    104,766.12x = 7,161,981,445.68
  5. Step 5: Solve for x
    x = 7,161,981,445.68/104,766.12
  6. Step 6: Final answer
    x = 68,361.62

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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.