Home / 99,832.62-149,763.45-40,671.90

Finding the Fourth Proportional to 99,832.62, 149,763.45 and 40,671.90

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Solution

The fourth proportional to 99,832.62, 149,763.45 and 40,671.90 is: 61,013.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,832.62 : 149,763.45 = 40,671.90 : x
  2. Step 2: Convert to fraction form
    99,832.62/149,763.45 = 40,671.90/x
  3. Step 3: Cross multiply
    99,832.62x = 149,763.45 × 40,671.90
  4. Step 4: Simplify right side
    99,832.62x = 6,091,164,062.06
  5. Step 5: Solve for x
    x = 6,091,164,062.06/99,832.62
  6. Step 6: Final answer
    x = 61,013.77

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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.