Home / 63,633.02-87,736.43-55,003.64

Finding the Fourth Proportional to 63,633.02, 87,736.43 and 55,003.64

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Solution

The fourth proportional to 63,633.02, 87,736.43 and 55,003.64 is: 75,838.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,633.02 : 87,736.43 = 55,003.64 : x
  2. Step 2: Convert to fraction form
    63,633.02/87,736.43 = 55,003.64/x
  3. Step 3: Cross multiply
    63,633.02x = 87,736.43 × 55,003.64
  4. Step 4: Simplify right side
    63,633.02x = 4,825,822,709.43
  5. Step 5: Solve for x
    x = 4,825,822,709.43/63,633.02
  6. Step 6: Final answer
    x = 75,838.35

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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.