Home / 91,771.21-137,575.27-32,599.09

Finding the Fourth Proportional to 91,771.21, 137,575.27 and 32,599.09

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Solution

The fourth proportional to 91,771.21, 137,575.27 and 32,599.09 is: 48,869.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,771.21 : 137,575.27 = 32,599.09 : x
  2. Step 2: Convert to fraction form
    91,771.21/137,575.27 = 32,599.09/x
  3. Step 3: Cross multiply
    91,771.21x = 137,575.27 × 32,599.09
  4. Step 4: Simplify right side
    91,771.21x = 4,484,828,608.50
  5. Step 5: Solve for x
    x = 4,484,828,608.50/91,771.21
  6. Step 6: Final answer
    x = 48,869.67

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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.