Home / 106,574.20-159,861.28-31,694.04

Finding the Fourth Proportional to 106,574.20, 159,861.28 and 31,694.04

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Solution

The fourth proportional to 106,574.20, 159,861.28 and 31,694.04 is: 47,541.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,574.20 : 159,861.28 = 31,694.04 : x
  2. Step 2: Convert to fraction form
    106,574.20/159,861.28 = 31,694.04/x
  3. Step 3: Cross multiply
    106,574.20x = 159,861.28 × 31,694.04
  4. Step 4: Simplify right side
    106,574.20x = 5,066,649,802.77
  5. Step 5: Solve for x
    x = 5,066,649,802.77/106,574.20
  6. Step 6: Final answer
    x = 47,541.05

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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.