Home / 72,067.14-99,424.02-48,155.94

Finding the Fourth Proportional to 72,067.14, 99,424.02 and 48,155.94

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Solution

The fourth proportional to 72,067.14, 99,424.02 and 48,155.94 is: 66,436.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,067.14 : 99,424.02 = 48,155.94 : x
  2. Step 2: Convert to fraction form
    72,067.14/99,424.02 = 48,155.94/x
  3. Step 3: Cross multiply
    72,067.14x = 99,424.02 × 48,155.94
  4. Step 4: Simplify right side
    72,067.14x = 4,787,857,141.68
  5. Step 5: Solve for x
    x = 4,787,857,141.68/72,067.14
  6. Step 6: Final answer
    x = 66,436.06

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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.