Home / 99,711.12-149,534.38-33,133.38

Finding the Fourth Proportional to 99,711.12, 149,534.38 and 33,133.38

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Solution

The fourth proportional to 99,711.12, 149,534.38 and 33,133.38 is: 49,689.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,711.12 : 149,534.38 = 33,133.38 : x
  2. Step 2: Convert to fraction form
    99,711.12/149,534.38 = 33,133.38/x
  3. Step 3: Cross multiply
    99,711.12x = 149,534.38 × 33,133.38
  4. Step 4: Simplify right side
    99,711.12x = 4,954,579,435.60
  5. Step 5: Solve for x
    x = 4,954,579,435.60/99,711.12
  6. Step 6: Final answer
    x = 49,689.34

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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.