Home / 45,621.30-68,431.23-37,813.62

Finding the Fourth Proportional to 45,621.30, 68,431.23 and 37,813.62

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Solution

The fourth proportional to 45,621.30, 68,431.23 and 37,813.62 is: 56,719.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,621.30 : 68,431.23 = 37,813.62 : x
  2. Step 2: Convert to fraction form
    45,621.30/68,431.23 = 37,813.62/x
  3. Step 3: Cross multiply
    45,621.30x = 68,431.23 × 37,813.62
  4. Step 4: Simplify right side
    45,621.30x = 2,587,632,527.35
  5. Step 5: Solve for x
    x = 2,587,632,527.35/45,621.30
  6. Step 6: Final answer
    x = 56,719.83

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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.