Home / 106,422.40-159,441.60-62,012.80

Finding the Fourth Proportional to 106,422.40, 159,441.60 and 62,012.80

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Solution

The fourth proportional to 106,422.40, 159,441.60 and 62,012.80 is: 92,907.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,422.40 : 159,441.60 = 62,012.80 : x
  2. Step 2: Convert to fraction form
    106,422.40/159,441.60 = 62,012.80/x
  3. Step 3: Cross multiply
    106,422.40x = 159,441.60 × 62,012.80
  4. Step 4: Simplify right side
    106,422.40x = 9,887,420,052.48
  5. Step 5: Solve for x
    x = 9,887,420,052.48/106,422.40
  6. Step 6: Final answer
    x = 92,907.32

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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.