Home / 63,513.30-87,687.94-40,891.46

Finding the Fourth Proportional to 63,513.30, 87,687.94 and 40,891.46

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Solution

The fourth proportional to 63,513.30, 87,687.94 and 40,891.46 is: 56,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,513.30 : 87,687.94 = 40,891.46 : x
  2. Step 2: Convert to fraction form
    63,513.30/87,687.94 = 40,891.46/x
  3. Step 3: Cross multiply
    63,513.30x = 87,687.94 × 40,891.46
  4. Step 4: Simplify right side
    63,513.30x = 3,585,687,890.99
  5. Step 5: Solve for x
    x = 3,585,687,890.99/63,513.30
  6. Step 6: Final answer
    x = 56,455.70

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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.