Home / 66,844.90-100,070.52-49,392.64

Finding the Fourth Proportional to 66,844.90, 100,070.52 and 49,392.64

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Solution

The fourth proportional to 66,844.90, 100,070.52 and 49,392.64 is: 73,943.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,844.90 : 100,070.52 = 49,392.64 : x
  2. Step 2: Convert to fraction form
    66,844.90/100,070.52 = 49,392.64/x
  3. Step 3: Cross multiply
    66,844.90x = 100,070.52 × 49,392.64
  4. Step 4: Simplify right side
    66,844.90x = 4,942,747,168.97
  5. Step 5: Solve for x
    x = 4,942,747,168.97/66,844.90
  6. Step 6: Final answer
    x = 73,943.52

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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.