Home / 63,012-86,955.63-36,153.92

Finding the Fourth Proportional to 63,012, 86,955.63 and 36,153.92

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Solution

The fourth proportional to 63,012, 86,955.63 and 36,153.92 is: 49,891.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,012 : 86,955.63 = 36,153.92 : x
  2. Step 2: Convert to fraction form
    63,012/86,955.63 = 36,153.92/x
  3. Step 3: Cross multiply
    63,012x = 86,955.63 × 36,153.92
  4. Step 4: Simplify right side
    63,012x = 3,143,786,455.79
  5. Step 5: Solve for x
    x = 3,143,786,455.79/63,012
  6. Step 6: Final answer
    x = 49,891.87

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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.