Home / 74,813.52-112,198.24-61,633.20

Finding the Fourth Proportional to 74,813.52, 112,198.24 and 61,633.20

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Solution

The fourth proportional to 74,813.52, 112,198.24 and 61,633.20 is: 92,431.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,813.52 : 112,198.24 = 61,633.20 : x
  2. Step 2: Convert to fraction form
    74,813.52/112,198.24 = 61,633.20/x
  3. Step 3: Cross multiply
    74,813.52x = 112,198.24 × 61,633.20
  4. Step 4: Simplify right side
    74,813.52x = 6,915,136,565.57
  5. Step 5: Solve for x
    x = 6,915,136,565.57/74,813.52
  6. Step 6: Final answer
    x = 92,431.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.