Home / 118,451.53-163,447.37-76,067.47

Finding the Fourth Proportional to 118,451.53, 163,447.37 and 76,067.47

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Solution

The fourth proportional to 118,451.53, 163,447.37 and 76,067.47 is: 104,963.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,451.53 : 163,447.37 = 76,067.47 : x
  2. Step 2: Convert to fraction form
    118,451.53/163,447.37 = 76,067.47/x
  3. Step 3: Cross multiply
    118,451.53x = 163,447.37 × 76,067.47
  4. Step 4: Simplify right side
    118,451.53x = 12,433,027,533.72
  5. Step 5: Solve for x
    x = 12,433,027,533.72/118,451.53
  6. Step 6: Final answer
    x = 104,963.00

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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.