Home / 106,010.10-159,022.89-39,450.20

Finding the Fourth Proportional to 106,010.10, 159,022.89 and 39,450.20

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Solution

The fourth proportional to 106,010.10, 159,022.89 and 39,450.20 is: 59,178.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,010.10 : 159,022.89 = 39,450.20 : x
  2. Step 2: Convert to fraction form
    106,010.10/159,022.89 = 39,450.20/x
  3. Step 3: Cross multiply
    106,010.10x = 159,022.89 × 39,450.20
  4. Step 4: Simplify right side
    106,010.10x = 6,273,484,019.96
  5. Step 5: Solve for x
    x = 6,273,484,019.96/106,010.10
  6. Step 6: Final answer
    x = 59,178.17

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1.5x scale

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.