Home / 70,543.43-105,832.09-26,170.57

Finding the Fourth Proportional to 70,543.43, 105,832.09 and 26,170.57

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Solution

The fourth proportional to 70,543.43, 105,832.09 and 26,170.57 is: 39,262.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,543.43 : 105,832.09 = 26,170.57 : x
  2. Step 2: Convert to fraction form
    70,543.43/105,832.09 = 26,170.57/x
  3. Step 3: Cross multiply
    70,543.43x = 105,832.09 × 26,170.57
  4. Step 4: Simplify right side
    70,543.43x = 2,769,686,137.39
  5. Step 5: Solve for x
    x = 2,769,686,137.39/70,543.43
  6. Step 6: Final answer
    x = 39,262.14

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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.