Home / 106,429.58-159,644.37-27,543.58

Finding the Fourth Proportional to 106,429.58, 159,644.37 and 27,543.58

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Solution

The fourth proportional to 106,429.58, 159,644.37 and 27,543.58 is: 41,315.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,429.58 : 159,644.37 = 27,543.58 : x
  2. Step 2: Convert to fraction form
    106,429.58/159,644.37 = 27,543.58/x
  3. Step 3: Cross multiply
    106,429.58x = 159,644.37 × 27,543.58
  4. Step 4: Simplify right side
    106,429.58x = 4,397,177,779.49
  5. Step 5: Solve for x
    x = 4,397,177,779.49/106,429.58
  6. Step 6: Final answer
    x = 41,315.37

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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.