Home / 91,811.10-137,742.37-32,652.75

Finding the Fourth Proportional to 91,811.10, 137,742.37 and 32,652.75

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Solution

The fourth proportional to 91,811.10, 137,742.37 and 32,652.75 is: 48,988.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,811.10 : 137,742.37 = 32,652.75 : x
  2. Step 2: Convert to fraction form
    91,811.10/137,742.37 = 32,652.75/x
  3. Step 3: Cross multiply
    91,811.10x = 137,742.37 × 32,652.75
  4. Step 4: Simplify right side
    91,811.10x = 4,497,667,790.59
  5. Step 5: Solve for x
    x = 4,497,667,790.59/91,811.10
  6. Step 6: Final answer
    x = 48,988.28

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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.