Home / 60,574.43-90,872.03-20,589.19

Finding the Fourth Proportional to 60,574.43, 90,872.03 and 20,589.19

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Solution

The fourth proportional to 60,574.43, 90,872.03 and 20,589.19 is: 30,887.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,574.43 : 90,872.03 = 20,589.19 : x
  2. Step 2: Convert to fraction form
    60,574.43/90,872.03 = 20,589.19/x
  3. Step 3: Cross multiply
    60,574.43x = 90,872.03 × 20,589.19
  4. Step 4: Simplify right side
    60,574.43x = 1,870,980,934.05
  5. Step 5: Solve for x
    x = 1,870,980,934.05/60,574.43
  6. Step 6: Final answer
    x = 30,887.31

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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.