Home / 77,366.24-106,772.97-43,374.78

Finding the Fourth Proportional to 77,366.24, 106,772.97 and 43,374.78

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Solution

The fourth proportional to 77,366.24, 106,772.97 and 43,374.78 is: 59,861.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,366.24 : 106,772.97 = 43,374.78 : x
  2. Step 2: Convert to fraction form
    77,366.24/106,772.97 = 43,374.78/x
  3. Step 3: Cross multiply
    77,366.24x = 106,772.97 × 43,374.78
  4. Step 4: Simplify right side
    77,366.24x = 4,631,254,083.70
  5. Step 5: Solve for x
    x = 4,631,254,083.70/77,366.24
  6. Step 6: Final answer
    x = 59,861.44

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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.