Home / 63,418.64-87,516.84-36,561.20

Finding the Fourth Proportional to 63,418.64, 87,516.84 and 36,561.20

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Solution

The fourth proportional to 63,418.64, 87,516.84 and 36,561.20 is: 50,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,418.64 : 87,516.84 = 36,561.20 : x
  2. Step 2: Convert to fraction form
    63,418.64/87,516.84 = 36,561.20/x
  3. Step 3: Cross multiply
    63,418.64x = 87,516.84 × 36,561.20
  4. Step 4: Simplify right side
    63,418.64x = 3,199,720,690.61
  5. Step 5: Solve for x
    x = 3,199,720,690.61/63,418.64
  6. Step 6: Final answer
    x = 50,453.95

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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.