Home / 54,243.99-81,373.71-16,807.01

Finding the Fourth Proportional to 54,243.99, 81,373.71 and 16,807.01

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Solution

The fourth proportional to 54,243.99, 81,373.71 and 16,807.01 is: 25,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,243.99 : 81,373.71 = 16,807.01 : x
  2. Step 2: Convert to fraction form
    54,243.99/81,373.71 = 16,807.01/x
  3. Step 3: Cross multiply
    54,243.99x = 81,373.71 × 16,807.01
  4. Step 4: Simplify right side
    54,243.99x = 1,367,648,350.84
  5. Step 5: Solve for x
    x = 1,367,648,350.84/54,243.99
  6. Step 6: Final answer
    x = 25,212.90

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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.