Home / 123,822.96-170,877.24-67,235.28

Finding the Fourth Proportional to 123,822.96, 170,877.24 and 67,235.28

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Solution

The fourth proportional to 123,822.96, 170,877.24 and 67,235.28 is: 92,785.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,822.96 : 170,877.24 = 67,235.28 : x
  2. Step 2: Convert to fraction form
    123,822.96/170,877.24 = 67,235.28/x
  3. Step 3: Cross multiply
    123,822.96x = 170,877.24 × 67,235.28
  4. Step 4: Simplify right side
    123,822.96x = 11,488,979,077.03
  5. Step 5: Solve for x
    x = 11,488,979,077.03/123,822.96
  6. Step 6: Final answer
    x = 92,785.53

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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.