Home / 77,947.97-116,885.60-40,497.97

Finding the Fourth Proportional to 77,947.97, 116,885.60 and 40,497.97

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Solution

The fourth proportional to 77,947.97, 116,885.60 and 40,497.97 is: 60,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,947.97 : 116,885.60 = 40,497.97 : x
  2. Step 2: Convert to fraction form
    77,947.97/116,885.60 = 40,497.97/x
  3. Step 3: Cross multiply
    77,947.97x = 116,885.60 × 40,497.97
  4. Step 4: Simplify right side
    77,947.97x = 4,733,629,915.69
  5. Step 5: Solve for x
    x = 4,733,629,915.69/77,947.97
  6. Step 6: Final answer
    x = 60,728.07

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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.