Home / 91,572.58-137,372.64-32,408.83

Finding the Fourth Proportional to 91,572.58, 137,372.64 and 32,408.83

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Solution

The fourth proportional to 91,572.58, 137,372.64 and 32,408.83 is: 48,618.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,572.58 : 137,372.64 = 32,408.83 : x
  2. Step 2: Convert to fraction form
    91,572.58/137,372.64 = 32,408.83/x
  3. Step 3: Cross multiply
    91,572.58x = 137,372.64 × 32,408.83
  4. Step 4: Simplify right side
    91,572.58x = 4,452,086,536.41
  5. Step 5: Solve for x
    x = 4,452,086,536.41/91,572.58
  6. Step 6: Final answer
    x = 48,618.12

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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.