Home / 106,572.15-159,840.05-35,486.72

Finding the Fourth Proportional to 106,572.15, 159,840.05 and 35,486.72

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Solution

The fourth proportional to 106,572.15, 159,840.05 and 35,486.72 is: 53,224.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,572.15 : 159,840.05 = 35,486.72 : x
  2. Step 2: Convert to fraction form
    106,572.15/159,840.05 = 35,486.72/x
  3. Step 3: Cross multiply
    106,572.15x = 159,840.05 × 35,486.72
  4. Step 4: Simplify right side
    106,572.15x = 5,672,199,099.14
  5. Step 5: Solve for x
    x = 5,672,199,099.14/106,572.15
  6. Step 6: Final answer
    x = 53,224.03

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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.