Home / 63,625.12-87,810.72-38,474.56

Finding the Fourth Proportional to 63,625.12, 87,810.72 and 38,474.56

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Solution

The fourth proportional to 63,625.12, 87,810.72 and 38,474.56 is: 53,099.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,625.12 : 87,810.72 = 38,474.56 : x
  2. Step 2: Convert to fraction form
    63,625.12/87,810.72 = 38,474.56/x
  3. Step 3: Cross multiply
    63,625.12x = 87,810.72 × 38,474.56
  4. Step 4: Simplify right side
    63,625.12x = 3,378,478,815.28
  5. Step 5: Solve for x
    x = 3,378,478,815.28/63,625.12
  6. Step 6: Final answer
    x = 53,099.76

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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.