Home / 99,679.36-149,544.22-33,119.84

Finding the Fourth Proportional to 99,679.36, 149,544.22 and 33,119.84

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Solution

The fourth proportional to 99,679.36, 149,544.22 and 33,119.84 is: 49,688.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,679.36 : 149,544.22 = 33,119.84 : x
  2. Step 2: Convert to fraction form
    99,679.36/149,544.22 = 33,119.84/x
  3. Step 3: Cross multiply
    99,679.36x = 149,544.22 × 33,119.84
  4. Step 4: Simplify right side
    99,679.36x = 4,952,880,639.32
  5. Step 5: Solve for x
    x = 4,952,880,639.32/99,679.36
  6. Step 6: Final answer
    x = 49,688.13

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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.