Home / 91,619.46-137,403.60-32,439.24

Finding the Fourth Proportional to 91,619.46, 137,403.60 and 32,439.24

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Solution

The fourth proportional to 91,619.46, 137,403.60 and 32,439.24 is: 48,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,619.46 : 137,403.60 = 32,439.24 : x
  2. Step 2: Convert to fraction form
    91,619.46/137,403.60 = 32,439.24/x
  3. Step 3: Cross multiply
    91,619.46x = 137,403.60 × 32,439.24
  4. Step 4: Simplify right side
    91,619.46x = 4,457,268,357.26
  5. Step 5: Solve for x
    x = 4,457,268,357.26/91,619.46
  6. Step 6: Final answer
    x = 48,649.80

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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.