Home / 42,131.24-63,196.66-17,165.72

Finding the Fourth Proportional to 42,131.24, 63,196.66 and 17,165.72

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Solution

The fourth proportional to 42,131.24, 63,196.66 and 17,165.72 is: 25,748.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,131.24 : 63,196.66 = 17,165.72 : x
  2. Step 2: Convert to fraction form
    42,131.24/63,196.66 = 17,165.72/x
  3. Step 3: Cross multiply
    42,131.24x = 63,196.66 × 17,165.72
  4. Step 4: Simplify right side
    42,131.24x = 1,084,816,170.50
  5. Step 5: Solve for x
    x = 1,084,816,170.50/42,131.24
  6. Step 6: Final answer
    x = 25,748.50

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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.