Home / 88,825.92-122,519.64-57,033.40

Finding the Fourth Proportional to 88,825.92, 122,519.64 and 57,033.40

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Solution

The fourth proportional to 88,825.92, 122,519.64 and 57,033.40 is: 78,667.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,825.92 : 122,519.64 = 57,033.40 : x
  2. Step 2: Convert to fraction form
    88,825.92/122,519.64 = 57,033.40/x
  3. Step 3: Cross multiply
    88,825.92x = 122,519.64 × 57,033.40
  4. Step 4: Simplify right side
    88,825.92x = 6,987,711,635.98
  5. Step 5: Solve for x
    x = 6,987,711,635.98/88,825.92
  6. Step 6: Final answer
    x = 78,667.48

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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.