Home / 56,559.66-84,839.69-19,120.04

Finding the Fourth Proportional to 56,559.66, 84,839.69 and 19,120.04

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Solution

The fourth proportional to 56,559.66, 84,839.69 and 19,120.04 is: 28,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,559.66 : 84,839.69 = 19,120.04 : x
  2. Step 2: Convert to fraction form
    56,559.66/84,839.69 = 19,120.04/x
  3. Step 3: Cross multiply
    56,559.66x = 84,839.69 × 19,120.04
  4. Step 4: Simplify right side
    56,559.66x = 1,622,138,266.39
  5. Step 5: Solve for x
    x = 1,622,138,266.39/56,559.66
  6. Step 6: Final answer
    x = 28,680.13

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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.