Home / 80,304.45-110,940.11-52,774.21

Finding the Fourth Proportional to 80,304.45, 110,940.11 and 52,774.21

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Solution

The fourth proportional to 80,304.45, 110,940.11 and 52,774.21 is: 72,907.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,304.45 : 110,940.11 = 52,774.21 : x
  2. Step 2: Convert to fraction form
    80,304.45/110,940.11 = 52,774.21/x
  3. Step 3: Cross multiply
    80,304.45x = 110,940.11 × 52,774.21
  4. Step 4: Simplify right side
    80,304.45x = 5,854,776,662.56
  5. Step 5: Solve for x
    x = 5,854,776,662.56/80,304.45
  6. Step 6: Final answer
    x = 72,907.25

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1.5x scale

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.