Home / 67,811.99-93,575.96-39,132.84

Finding the Fourth Proportional to 67,811.99, 93,575.96 and 39,132.84

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Solution

The fourth proportional to 67,811.99, 93,575.96 and 39,132.84 is: 54,000.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,811.99 : 93,575.96 = 39,132.84 : x
  2. Step 2: Convert to fraction form
    67,811.99/93,575.96 = 39,132.84/x
  3. Step 3: Cross multiply
    67,811.99x = 93,575.96 × 39,132.84
  4. Step 4: Simplify right side
    67,811.99x = 3,661,892,846.16
  5. Step 5: Solve for x
    x = 3,661,892,846.16/67,811.99
  6. Step 6: Final answer
    x = 54,000.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.