Home / 106,037.05-159,013.73-42,845.25

Finding the Fourth Proportional to 106,037.05, 159,013.73 and 42,845.25

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Solution

The fourth proportional to 106,037.05, 159,013.73 and 42,845.25 is: 64,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,037.05 : 159,013.73 = 42,845.25 : x
  2. Step 2: Convert to fraction form
    106,037.05/159,013.73 = 42,845.25/x
  3. Step 3: Cross multiply
    106,037.05x = 159,013.73 × 42,845.25
  4. Step 4: Simplify right side
    106,037.05x = 6,812,983,718.70
  5. Step 5: Solve for x
    x = 6,812,983,718.70/106,037.05
  6. Step 6: Final answer
    x = 64,250.97

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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.