Home / 54,253.30-81,379.95-14,811.47

Finding the Fourth Proportional to 54,253.30, 81,379.95 and 14,811.47

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Solution

The fourth proportional to 54,253.30, 81,379.95 and 14,811.47 is: 22,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,253.30 : 81,379.95 = 14,811.47 : x
  2. Step 2: Convert to fraction form
    54,253.30/81,379.95 = 14,811.47/x
  3. Step 3: Cross multiply
    54,253.30x = 81,379.95 × 14,811.47
  4. Step 4: Simplify right side
    54,253.30x = 1,205,356,688.03
  5. Step 5: Solve for x
    x = 1,205,356,688.03/54,253.30
  6. Step 6: Final answer
    x = 22,217.21

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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.