Home / 106,384.40-159,634.20-47,229.20

Finding the Fourth Proportional to 106,384.40, 159,634.20 and 47,229.20

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Solution

The fourth proportional to 106,384.40, 159,634.20 and 47,229.20 is: 70,869.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,384.40 : 159,634.20 = 47,229.20 : x
  2. Step 2: Convert to fraction form
    106,384.40/159,634.20 = 47,229.20/x
  3. Step 3: Cross multiply
    106,384.40x = 159,634.20 × 47,229.20
  4. Step 4: Simplify right side
    106,384.40x = 7,539,395,558.64
  5. Step 5: Solve for x
    x = 7,539,395,558.64/106,384.40
  6. Step 6: Final answer
    x = 70,869.37

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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.