Home / 63,134.22-87,046.45-40,435.94

Finding the Fourth Proportional to 63,134.22, 87,046.45 and 40,435.94

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Solution

The fourth proportional to 63,134.22, 87,046.45 and 40,435.94 is: 55,751.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,134.22 : 87,046.45 = 40,435.94 : x
  2. Step 2: Convert to fraction form
    63,134.22/87,046.45 = 40,435.94/x
  3. Step 3: Cross multiply
    63,134.22x = 87,046.45 × 40,435.94
  4. Step 4: Simplify right side
    63,134.22x = 3,519,805,029.41
  5. Step 5: Solve for x
    x = 3,519,805,029.41/63,134.22
  6. Step 6: Final answer
    x = 55,751.14

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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.