Home / 61,168.91-91,743.55-16,785.30

Finding the Fourth Proportional to 61,168.91, 91,743.55 and 16,785.30

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Solution

The fourth proportional to 61,168.91, 91,743.55 and 16,785.30 is: 25,175.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,168.91 : 91,743.55 = 16,785.30 : x
  2. Step 2: Convert to fraction form
    61,168.91/91,743.55 = 16,785.30/x
  3. Step 3: Cross multiply
    61,168.91x = 91,743.55 × 16,785.30
  4. Step 4: Simplify right side
    61,168.91x = 1,539,942,967.85
  5. Step 5: Solve for x
    x = 1,539,942,967.85/61,168.91
  6. Step 6: Final answer
    x = 25,175.25

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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.