Home / 99,579.97-149,297.05-46,960.75

Finding the Fourth Proportional to 99,579.97, 149,297.05 and 46,960.75

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Solution

The fourth proportional to 99,579.97, 149,297.05 and 46,960.75 is: 70,406.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,579.97 : 149,297.05 = 46,960.75 : x
  2. Step 2: Convert to fraction form
    99,579.97/149,297.05 = 46,960.75/x
  3. Step 3: Cross multiply
    99,579.97x = 149,297.05 × 46,960.75
  4. Step 4: Simplify right side
    99,579.97x = 7,011,101,440.79
  5. Step 5: Solve for x
    x = 7,011,101,440.79/99,579.97
  6. Step 6: Final answer
    x = 70,406.74

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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.