Home / 63,643.17-87,824.71-38,163.56

Finding the Fourth Proportional to 63,643.17, 87,824.71 and 38,163.56

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Solution

The fourth proportional to 63,643.17, 87,824.71 and 38,163.56 is: 52,663.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,643.17 : 87,824.71 = 38,163.56 : x
  2. Step 2: Convert to fraction form
    63,643.17/87,824.71 = 38,163.56/x
  3. Step 3: Cross multiply
    63,643.17x = 87,824.71 × 38,163.56
  4. Step 4: Simplify right side
    63,643.17x = 3,351,702,983.48
  5. Step 5: Solve for x
    x = 3,351,702,983.48/63,643.17
  6. Step 6: Final answer
    x = 52,663.99

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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.