Home / 77,264-115,865.76-32,911.04

Finding the Fourth Proportional to 77,264, 115,865.76 and 32,911.04

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Solution

The fourth proportional to 77,264, 115,865.76 and 32,911.04 is: 49,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,264 : 115,865.76 = 32,911.04 : x
  2. Step 2: Convert to fraction form
    77,264/115,865.76 = 32,911.04/x
  3. Step 3: Cross multiply
    77,264x = 115,865.76 × 32,911.04
  4. Step 4: Simplify right side
    77,264x = 3,813,262,661.99
  5. Step 5: Solve for x
    x = 3,813,262,661.99/77,264
  6. Step 6: Final answer
    x = 49,353.68

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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.