Home / 105,236.61-157,863.06-35,115.81

Finding the Fourth Proportional to 105,236.61, 157,863.06 and 35,115.81

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Solution

The fourth proportional to 105,236.61, 157,863.06 and 35,115.81 is: 52,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,236.61 : 157,863.06 = 35,115.81 : x
  2. Step 2: Convert to fraction form
    105,236.61/157,863.06 = 35,115.81/x
  3. Step 3: Cross multiply
    105,236.61x = 157,863.06 × 35,115.81
  4. Step 4: Simplify right side
    105,236.61x = 5,543,489,220.98
  5. Step 5: Solve for x
    x = 5,543,489,220.98/105,236.61
  6. Step 6: Final answer
    x = 52,676.43

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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.