Home / 74,316.22-111,408.70-56,863.96

Finding the Fourth Proportional to 74,316.22, 111,408.70 and 56,863.96

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Solution

The fourth proportional to 74,316.22, 111,408.70 and 56,863.96 is: 85,245.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,316.22 : 111,408.70 = 56,863.96 : x
  2. Step 2: Convert to fraction form
    74,316.22/111,408.70 = 56,863.96/x
  3. Step 3: Cross multiply
    74,316.22x = 111,408.70 × 56,863.96
  4. Step 4: Simplify right side
    74,316.22x = 6,335,139,860.45
  5. Step 5: Solve for x
    x = 6,335,139,860.45/74,316.22
  6. Step 6: Final answer
    x = 85,245.72

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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.