Home / 83,170.64-114,762.20-47,361.36

Finding the Fourth Proportional to 83,170.64, 114,762.20 and 47,361.36

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Solution

The fourth proportional to 83,170.64, 114,762.20 and 47,361.36 is: 65,351.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,170.64 : 114,762.20 = 47,361.36 : x
  2. Step 2: Convert to fraction form
    83,170.64/114,762.20 = 47,361.36/x
  3. Step 3: Cross multiply
    83,170.64x = 114,762.20 × 47,361.36
  4. Step 4: Simplify right side
    83,170.64x = 5,435,293,868.59
  5. Step 5: Solve for x
    x = 5,435,293,868.59/83,170.64
  6. Step 6: Final answer
    x = 65,351.11

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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.