Home / 45,166.65-67,752.09-21,812.73

Finding the Fourth Proportional to 45,166.65, 67,752.09 and 21,812.73

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Solution

The fourth proportional to 45,166.65, 67,752.09 and 21,812.73 is: 32,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,166.65 : 67,752.09 = 21,812.73 : x
  2. Step 2: Convert to fraction form
    45,166.65/67,752.09 = 21,812.73/x
  3. Step 3: Cross multiply
    45,166.65x = 67,752.09 × 21,812.73
  4. Step 4: Simplify right side
    45,166.65x = 1,477,858,046.11
  5. Step 5: Solve for x
    x = 1,477,858,046.11/45,166.65
  6. Step 6: Final answer
    x = 32,720.12

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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.