Home / 63,121.63-94,687.71-18,143.14

Finding the Fourth Proportional to 63,121.63, 94,687.71 and 18,143.14

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Solution

The fourth proportional to 63,121.63, 94,687.71 and 18,143.14 is: 27,216.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,121.63 : 94,687.71 = 18,143.14 : x
  2. Step 2: Convert to fraction form
    63,121.63/94,687.71 = 18,143.14/x
  3. Step 3: Cross multiply
    63,121.63x = 94,687.71 × 18,143.14
  4. Step 4: Simplify right side
    63,121.63x = 1,717,932,378.81
  5. Step 5: Solve for x
    x = 1,717,932,378.81/63,121.63
  6. Step 6: Final answer
    x = 27,216.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.