Home / 99,419.10-149,003.79-59,467.56

Finding the Fourth Proportional to 99,419.10, 149,003.79 and 59,467.56

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Solution

The fourth proportional to 99,419.10, 149,003.79 and 59,467.56 is: 89,126.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,419.10 : 149,003.79 = 59,467.56 : x
  2. Step 2: Convert to fraction form
    99,419.10/149,003.79 = 59,467.56/x
  3. Step 3: Cross multiply
    99,419.10x = 149,003.79 × 59,467.56
  4. Step 4: Simplify right side
    99,419.10x = 8,860,891,822.05
  5. Step 5: Solve for x
    x = 8,860,891,822.05/99,419.10
  6. Step 6: Final answer
    x = 89,126.65

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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.