Home / 99,755.32-149,607.38-29,618.36

Finding the Fourth Proportional to 99,755.32, 149,607.38 and 29,618.36

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Solution

The fourth proportional to 99,755.32, 149,607.38 and 29,618.36 is: 44,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,755.32 : 149,607.38 = 29,618.36 : x
  2. Step 2: Convert to fraction form
    99,755.32/149,607.38 = 29,618.36/x
  3. Step 3: Cross multiply
    99,755.32x = 149,607.38 × 29,618.36
  4. Step 4: Simplify right side
    99,755.32x = 4,431,125,239.50
  5. Step 5: Solve for x
    x = 4,431,125,239.50/99,755.32
  6. Step 6: Final answer
    x = 44,419.94

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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.