Home / 95,145.87-142,735.29-31,972.16

Finding the Fourth Proportional to 95,145.87, 142,735.29 and 31,972.16

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Solution

The fourth proportional to 95,145.87, 142,735.29 and 31,972.16 is: 47,963.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,145.87 : 142,735.29 = 31,972.16 : x
  2. Step 2: Convert to fraction form
    95,145.87/142,735.29 = 31,972.16/x
  3. Step 3: Cross multiply
    95,145.87x = 142,735.29 × 31,972.16
  4. Step 4: Simplify right side
    95,145.87x = 4,563,554,815.85
  5. Step 5: Solve for x
    x = 4,563,554,815.85/95,145.87
  6. Step 6: Final answer
    x = 47,963.77

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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.