Home / 91,829.60-137,744.40-32,667.20

Finding the Fourth Proportional to 91,829.60, 137,744.40 and 32,667.20

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Solution

The fourth proportional to 91,829.60, 137,744.40 and 32,667.20 is: 49,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,829.60 : 137,744.40 = 32,667.20 : x
  2. Step 2: Convert to fraction form
    91,829.60/137,744.40 = 32,667.20/x
  3. Step 3: Cross multiply
    91,829.60x = 137,744.40 × 32,667.20
  4. Step 4: Simplify right side
    91,829.60x = 4,499,723,863.68
  5. Step 5: Solve for x
    x = 4,499,723,863.68/91,829.60
  6. Step 6: Final answer
    x = 49,000.80

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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.