Home / 54,501.80-81,773.46-18,967.07

Finding the Fourth Proportional to 54,501.80, 81,773.46 and 18,967.07

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Solution

The fourth proportional to 54,501.80, 81,773.46 and 18,967.07 is: 28,457.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,501.80 : 81,773.46 = 18,967.07 : x
  2. Step 2: Convert to fraction form
    54,501.80/81,773.46 = 18,967.07/x
  3. Step 3: Cross multiply
    54,501.80x = 81,773.46 × 18,967.07
  4. Step 4: Simplify right side
    54,501.80x = 1,551,002,939.96
  5. Step 5: Solve for x
    x = 1,551,002,939.96/54,501.80
  6. Step 6: Final answer
    x = 28,457.83

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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.