Home / 99,711.10-149,534.15-33,133.35

Finding the Fourth Proportional to 99,711.10, 149,534.15 and 33,133.35

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Solution

The fourth proportional to 99,711.10, 149,534.15 and 33,133.35 is: 49,689.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,711.10 : 149,534.15 = 33,133.35 : x
  2. Step 2: Convert to fraction form
    99,711.10/149,534.15 = 33,133.35/x
  3. Step 3: Cross multiply
    99,711.10x = 149,534.15 × 33,133.35
  4. Step 4: Simplify right side
    99,711.10x = 4,954,567,910.36
  5. Step 5: Solve for x
    x = 4,954,567,910.36/99,711.10
  6. Step 6: Final answer
    x = 49,689.23

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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.