Home / 107,709.84-148,639.49-59,974.45

Finding the Fourth Proportional to 107,709.84, 148,639.49 and 59,974.45

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Solution

The fourth proportional to 107,709.84, 148,639.49 and 59,974.45 is: 82,764.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,709.84 : 148,639.49 = 59,974.45 : x
  2. Step 2: Convert to fraction form
    107,709.84/148,639.49 = 59,974.45/x
  3. Step 3: Cross multiply
    107,709.84x = 148,639.49 × 59,974.45
  4. Step 4: Simplify right side
    107,709.84x = 8,914,571,661.03
  5. Step 5: Solve for x
    x = 8,914,571,661.03/107,709.84
  6. Step 6: Final answer
    x = 82,764.69

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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.