Home / 99,872.41-149,809.18-33,312.36

Finding the Fourth Proportional to 99,872.41, 149,809.18 and 33,312.36

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Solution

The fourth proportional to 99,872.41, 149,809.18 and 33,312.36 is: 49,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,872.41 : 149,809.18 = 33,312.36 : x
  2. Step 2: Convert to fraction form
    99,872.41/149,809.18 = 33,312.36/x
  3. Step 3: Cross multiply
    99,872.41x = 149,809.18 × 33,312.36
  4. Step 4: Simplify right side
    99,872.41x = 4,990,496,503.14
  5. Step 5: Solve for x
    x = 4,990,496,503.14/99,872.41
  6. Step 6: Final answer
    x = 49,968.72

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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.