Home / 95,431.50-131,707.62-57,706.02

Finding the Fourth Proportional to 95,431.50, 131,707.62 and 57,706.02

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Solution

The fourth proportional to 95,431.50, 131,707.62 and 57,706.02 is: 79,641.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,431.50 : 131,707.62 = 57,706.02 : x
  2. Step 2: Convert to fraction form
    95,431.50/131,707.62 = 57,706.02/x
  3. Step 3: Cross multiply
    95,431.50x = 131,707.62 × 57,706.02
  4. Step 4: Simplify right side
    95,431.50x = 7,600,322,553.87
  5. Step 5: Solve for x
    x = 7,600,322,553.87/95,431.50
  6. Step 6: Final answer
    x = 79,641.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.