Home / 56,887.14-78,481.80-35,658.66

Finding the Fourth Proportional to 56,887.14, 78,481.80 and 35,658.66

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Solution

The fourth proportional to 56,887.14, 78,481.80 and 35,658.66 is: 49,194.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,887.14 : 78,481.80 = 35,658.66 : x
  2. Step 2: Convert to fraction form
    56,887.14/78,481.80 = 35,658.66/x
  3. Step 3: Cross multiply
    56,887.14x = 78,481.80 × 35,658.66
  4. Step 4: Simplify right side
    56,887.14x = 2,798,555,822.39
  5. Step 5: Solve for x
    x = 2,798,555,822.39/56,887.14
  6. Step 6: Final answer
    x = 49,194.88

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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.