Home / 70,155.43-105,233.28-23,408.44

Finding the Fourth Proportional to 70,155.43, 105,233.28 and 23,408.44

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Solution

The fourth proportional to 70,155.43, 105,233.28 and 23,408.44 is: 35,112.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,155.43 : 105,233.28 = 23,408.44 : x
  2. Step 2: Convert to fraction form
    70,155.43/105,233.28 = 23,408.44/x
  3. Step 3: Cross multiply
    70,155.43x = 105,233.28 × 23,408.44
  4. Step 4: Simplify right side
    70,155.43x = 2,463,346,920.88
  5. Step 5: Solve for x
    x = 2,463,346,920.88/70,155.43
  6. Step 6: Final answer
    x = 35,112.71

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1.5x scale

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.