Home / 45,408.68-68,113.40-15,826.46

Finding the Fourth Proportional to 45,408.68, 68,113.40 and 15,826.46

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Solution

The fourth proportional to 45,408.68, 68,113.40 and 15,826.46 is: 23,739.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,408.68 : 68,113.40 = 15,826.46 : x
  2. Step 2: Convert to fraction form
    45,408.68/68,113.40 = 15,826.46/x
  3. Step 3: Cross multiply
    45,408.68x = 68,113.40 × 15,826.46
  4. Step 4: Simplify right side
    45,408.68x = 1,077,994,151.06
  5. Step 5: Solve for x
    x = 1,077,994,151.06/45,408.68
  6. Step 6: Final answer
    x = 23,739.83

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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.