Home / 56,137.76-84,177.36-49,742.48

Finding the Fourth Proportional to 56,137.76, 84,177.36 and 49,742.48

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Solution

The fourth proportional to 56,137.76, 84,177.36 and 49,742.48 is: 74,587.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,137.76 : 84,177.36 = 49,742.48 : x
  2. Step 2: Convert to fraction form
    56,137.76/84,177.36 = 49,742.48/x
  3. Step 3: Cross multiply
    56,137.76x = 84,177.36 × 49,742.48
  4. Step 4: Simplify right side
    56,137.76x = 4,187,190,646.25
  5. Step 5: Solve for x
    x = 4,187,190,646.25/56,137.76
  6. Step 6: Final answer
    x = 74,587.78

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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.