Home / 90,798.12-125,198.10-63,932.04

Finding the Fourth Proportional to 90,798.12, 125,198.10 and 63,932.04

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Solution

The fourth proportional to 90,798.12, 125,198.10 and 63,932.04 is: 88,153.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,798.12 : 125,198.10 = 63,932.04 : x
  2. Step 2: Convert to fraction form
    90,798.12/125,198.10 = 63,932.04/x
  3. Step 3: Cross multiply
    90,798.12x = 125,198.10 × 63,932.04
  4. Step 4: Simplify right side
    90,798.12x = 8,004,169,937.12
  5. Step 5: Solve for x
    x = 8,004,169,937.12/90,798.12
  6. Step 6: Final answer
    x = 88,153.48

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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.