Home / 106,410.59-159,616.46-31,531.38

Finding the Fourth Proportional to 106,410.59, 159,616.46 and 31,531.38

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Solution

The fourth proportional to 106,410.59, 159,616.46 and 31,531.38 is: 47,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,410.59 : 159,616.46 = 31,531.38 : x
  2. Step 2: Convert to fraction form
    106,410.59/159,616.46 = 31,531.38/x
  3. Step 3: Cross multiply
    106,410.59x = 159,616.46 × 31,531.38
  4. Step 4: Simplify right side
    106,410.59x = 5,032,928,037.20
  5. Step 5: Solve for x
    x = 5,032,928,037.20/106,410.59
  6. Step 6: Final answer
    x = 47,297.25

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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.