Home / 54,221.27-81,322.67-14,769.15

Finding the Fourth Proportional to 54,221.27, 81,322.67 and 14,769.15

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Solution

The fourth proportional to 54,221.27, 81,322.67 and 14,769.15 is: 22,151.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,221.27 : 81,322.67 = 14,769.15 : x
  2. Step 2: Convert to fraction form
    54,221.27/81,322.67 = 14,769.15/x
  3. Step 3: Cross multiply
    54,221.27x = 81,322.67 × 14,769.15
  4. Step 4: Simplify right side
    54,221.27x = 1,201,066,748.55
  5. Step 5: Solve for x
    x = 1,201,066,748.55/54,221.27
  6. Step 6: Final answer
    x = 22,151.21

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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.