Home / 70,163.22-105,248.49-35,091.03

Finding the Fourth Proportional to 70,163.22, 105,248.49 and 35,091.03

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Solution

The fourth proportional to 70,163.22, 105,248.49 and 35,091.03 is: 52,638.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,163.22 : 105,248.49 = 35,091.03 : x
  2. Step 2: Convert to fraction form
    70,163.22/105,248.49 = 35,091.03/x
  3. Step 3: Cross multiply
    70,163.22x = 105,248.49 × 35,091.03
  4. Step 4: Simplify right side
    70,163.22x = 3,693,277,920.04
  5. Step 5: Solve for x
    x = 3,693,277,920.04/70,163.22
  6. Step 6: Final answer
    x = 52,638.38

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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.