Home / 56,816.74-78,361.10-49,996.04

Finding the Fourth Proportional to 56,816.74, 78,361.10 and 49,996.04

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Solution

The fourth proportional to 56,816.74, 78,361.10 and 49,996.04 is: 68,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,816.74 : 78,361.10 = 49,996.04 : x
  2. Step 2: Convert to fraction form
    56,816.74/78,361.10 = 49,996.04/x
  3. Step 3: Cross multiply
    56,816.74x = 78,361.10 × 49,996.04
  4. Step 4: Simplify right side
    56,816.74x = 3,917,744,048.26
  5. Step 5: Solve for x
    x = 3,917,744,048.26/56,816.74
  6. Step 6: Final answer
    x = 68,954.05

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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.