Home / 76,512.52-114,765.63-26,603.92

Finding the Fourth Proportional to 76,512.52, 114,765.63 and 26,603.92

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Solution

The fourth proportional to 76,512.52, 114,765.63 and 26,603.92 is: 39,904.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,512.52 : 114,765.63 = 26,603.92 : x
  2. Step 2: Convert to fraction form
    76,512.52/114,765.63 = 26,603.92/x
  3. Step 3: Cross multiply
    76,512.52x = 114,765.63 × 26,603.92
  4. Step 4: Simplify right side
    76,512.52x = 3,053,215,639.27
  5. Step 5: Solve for x
    x = 3,053,215,639.27/76,512.52
  6. Step 6: Final answer
    x = 39,904.78

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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.