Home / 99,919.17-149,880.38-33,359.58

Finding the Fourth Proportional to 99,919.17, 149,880.38 and 33,359.58

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Solution

The fourth proportional to 99,919.17, 149,880.38 and 33,359.58 is: 50,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,919.17 : 149,880.38 = 33,359.58 : x
  2. Step 2: Convert to fraction form
    99,919.17/149,880.38 = 33,359.58/x
  3. Step 3: Cross multiply
    99,919.17x = 149,880.38 × 33,359.58
  4. Step 4: Simplify right side
    99,919.17x = 4,999,946,360.24
  5. Step 5: Solve for x
    x = 4,999,946,360.24/99,919.17
  6. Step 6: Final answer
    x = 50,039.91

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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.