Home / 91,948.60-137,922.90-32,786.20

Finding the Fourth Proportional to 91,948.60, 137,922.90 and 32,786.20

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Solution

The fourth proportional to 91,948.60, 137,922.90 and 32,786.20 is: 49,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,948.60 : 137,922.90 = 32,786.20 : x
  2. Step 2: Convert to fraction form
    91,948.60/137,922.90 = 32,786.20/x
  3. Step 3: Cross multiply
    91,948.60x = 137,922.90 × 32,786.20
  4. Step 4: Simplify right side
    91,948.60x = 4,521,967,783.98
  5. Step 5: Solve for x
    x = 4,521,967,783.98/91,948.60
  6. Step 6: Final answer
    x = 49,179.30

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1.5x scale

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.