Home / 70,155.24-105,238.29-23,408.04

Finding the Fourth Proportional to 70,155.24, 105,238.29 and 23,408.04

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Solution

The fourth proportional to 70,155.24, 105,238.29 and 23,408.04 is: 35,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,155.24 : 105,238.29 = 23,408.04 : x
  2. Step 2: Convert to fraction form
    70,155.24/105,238.29 = 23,408.04/x
  3. Step 3: Cross multiply
    70,155.24x = 105,238.29 × 23,408.04
  4. Step 4: Simplify right side
    70,155.24x = 2,463,422,101.85
  5. Step 5: Solve for x
    x = 2,463,422,101.85/70,155.24
  6. Step 6: Final answer
    x = 35,113.87

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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.