Home / 112,583.52-155,339.82-67,252.64

Finding the Fourth Proportional to 112,583.52, 155,339.82 and 67,252.64

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Solution

The fourth proportional to 112,583.52, 155,339.82 and 67,252.64 is: 92,793.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,583.52 : 155,339.82 = 67,252.64 : x
  2. Step 2: Convert to fraction form
    112,583.52/155,339.82 = 67,252.64/x
  3. Step 3: Cross multiply
    112,583.52x = 155,339.82 × 67,252.64
  4. Step 4: Simplify right side
    112,583.52x = 10,447,012,992.12
  5. Step 5: Solve for x
    x = 10,447,012,992.12/112,583.52
  6. Step 6: Final answer
    x = 92,793.45

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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.