Home / 91,837.20-137,723.40-32,674.80

Finding the Fourth Proportional to 91,837.20, 137,723.40 and 32,674.80

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Solution

The fourth proportional to 91,837.20, 137,723.40 and 32,674.80 is: 49,000.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,837.20 : 137,723.40 = 32,674.80 : x
  2. Step 2: Convert to fraction form
    91,837.20/137,723.40 = 32,674.80/x
  3. Step 3: Cross multiply
    91,837.20x = 137,723.40 × 32,674.80
  4. Step 4: Simplify right side
    91,837.20x = 4,500,084,550.32
  5. Step 5: Solve for x
    x = 4,500,084,550.32/91,837.20
  6. Step 6: Final answer
    x = 49,000.67

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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.