Home / 91,771.11-137,640.24-24,303.60

Finding the Fourth Proportional to 91,771.11, 137,640.24 and 24,303.60

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Solution

The fourth proportional to 91,771.11, 137,640.24 and 24,303.60 is: 36,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,771.11 : 137,640.24 = 24,303.60 : x
  2. Step 2: Convert to fraction form
    91,771.11/137,640.24 = 24,303.60/x
  3. Step 3: Cross multiply
    91,771.11x = 137,640.24 × 24,303.60
  4. Step 4: Simplify right side
    91,771.11x = 3,345,153,336.86
  5. Step 5: Solve for x
    x = 3,345,153,336.86/91,771.11
  6. Step 6: Final answer
    x = 36,451.05

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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.