Home / 54,259.88-81,389.27-14,816.99

Finding the Fourth Proportional to 54,259.88, 81,389.27 and 14,816.99

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Solution

The fourth proportional to 54,259.88, 81,389.27 and 14,816.99 is: 22,225.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,259.88 : 81,389.27 = 14,816.99 : x
  2. Step 2: Convert to fraction form
    54,259.88/81,389.27 = 14,816.99/x
  3. Step 3: Cross multiply
    54,259.88x = 81,389.27 × 14,816.99
  4. Step 4: Simplify right side
    54,259.88x = 1,205,944,240.21
  5. Step 5: Solve for x
    x = 1,205,944,240.21/54,259.88
  6. Step 6: Final answer
    x = 22,225.34

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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.