Home / 61,721.28-85,175.52-33,426.96

Finding the Fourth Proportional to 61,721.28, 85,175.52 and 33,426.96

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Solution

The fourth proportional to 61,721.28, 85,175.52 and 33,426.96 is: 46,129.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,721.28 : 85,175.52 = 33,426.96 : x
  2. Step 2: Convert to fraction form
    61,721.28/85,175.52 = 33,426.96/x
  3. Step 3: Cross multiply
    61,721.28x = 85,175.52 × 33,426.96
  4. Step 4: Simplify right side
    61,721.28x = 2,847,158,700.02
  5. Step 5: Solve for x
    x = 2,847,158,700.02/61,721.28
  6. Step 6: Final answer
    x = 46,129.29

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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.