Home / 106,587.56-159,822.55-43,391.50

Finding the Fourth Proportional to 106,587.56, 159,822.55 and 43,391.50

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Solution

The fourth proportional to 106,587.56, 159,822.55 and 43,391.50 is: 65,063.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,587.56 : 159,822.55 = 43,391.50 : x
  2. Step 2: Convert to fraction form
    106,587.56/159,822.55 = 43,391.50/x
  3. Step 3: Cross multiply
    106,587.56x = 159,822.55 × 43,391.50
  4. Step 4: Simplify right side
    106,587.56x = 6,934,940,178.33
  5. Step 5: Solve for x
    x = 6,934,940,178.33/106,587.56
  6. Step 6: Final answer
    x = 65,063.32

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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.