Home / 56,963.64-85,467.32-40,112.80

Finding the Fourth Proportional to 56,963.64, 85,467.32 and 40,112.80

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Solution

The fourth proportional to 56,963.64, 85,467.32 and 40,112.80 is: 60,184.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,963.64 : 85,467.32 = 40,112.80 : x
  2. Step 2: Convert to fraction form
    56,963.64/85,467.32 = 40,112.80/x
  3. Step 3: Cross multiply
    56,963.64x = 85,467.32 × 40,112.80
  4. Step 4: Simplify right side
    56,963.64x = 3,428,333,513.70
  5. Step 5: Solve for x
    x = 3,428,333,513.70/56,963.64
  6. Step 6: Final answer
    x = 60,184.59

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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.