Home / 56,175.10-84,014.79-49,978.60

Finding the Fourth Proportional to 56,175.10, 84,014.79 and 49,978.60

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Solution

The fourth proportional to 56,175.10, 84,014.79 and 49,978.60 is: 74,747.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,175.10 : 84,014.79 = 49,978.60 : x
  2. Step 2: Convert to fraction form
    56,175.10/84,014.79 = 49,978.60/x
  3. Step 3: Cross multiply
    56,175.10x = 84,014.79 × 49,978.60
  4. Step 4: Simplify right side
    56,175.10x = 4,198,941,583.49
  5. Step 5: Solve for x
    x = 4,198,941,583.49/56,175.10
  6. Step 6: Final answer
    x = 74,747.38

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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.