Home / 99,937.89-149,864.16-57,847.02

Finding the Fourth Proportional to 99,937.89, 149,864.16 and 57,847.02

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Solution

The fourth proportional to 99,937.89, 149,864.16 and 57,847.02 is: 86,745.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,937.89 : 149,864.16 = 57,847.02 : x
  2. Step 2: Convert to fraction form
    99,937.89/149,864.16 = 57,847.02/x
  3. Step 3: Cross multiply
    99,937.89x = 149,864.16 × 57,847.02
  4. Step 4: Simplify right side
    99,937.89x = 8,669,195,622.79
  5. Step 5: Solve for x
    x = 8,669,195,622.79/99,937.89
  6. Step 6: Final answer
    x = 86,745.83

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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.