Home / 91,829.70-137,712.15-32,667.30

Finding the Fourth Proportional to 91,829.70, 137,712.15 and 32,667.30

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Solution

The fourth proportional to 91,829.70, 137,712.15 and 32,667.30 is: 48,989.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,829.70 : 137,712.15 = 32,667.30 : x
  2. Step 2: Convert to fraction form
    91,829.70/137,712.15 = 32,667.30/x
  3. Step 3: Cross multiply
    91,829.70x = 137,712.15 × 32,667.30
  4. Step 4: Simplify right side
    91,829.70x = 4,498,684,117.70
  5. Step 5: Solve for x
    x = 4,498,684,117.70/91,829.70
  6. Step 6: Final answer
    x = 48,989.42

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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.