Home / 97,067.20-133,954.72-54,625.60

Finding the Fourth Proportional to 97,067.20, 133,954.72 and 54,625.60

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Solution

The fourth proportional to 97,067.20, 133,954.72 and 54,625.60 is: 75,384.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,067.20 : 133,954.72 = 54,625.60 : x
  2. Step 2: Convert to fraction form
    97,067.20/133,954.72 = 54,625.60/x
  3. Step 3: Cross multiply
    97,067.20x = 133,954.72 × 54,625.60
  4. Step 4: Simplify right side
    97,067.20x = 7,317,356,952.83
  5. Step 5: Solve for x
    x = 7,317,356,952.83/97,067.20
  6. Step 6: Final answer
    x = 75,384.44

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1.5x scale

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.