Home / 54,299.42-81,460.00-18,762.04

Finding the Fourth Proportional to 54,299.42, 81,460.00 and 18,762.04

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Solution

The fourth proportional to 54,299.42, 81,460.00 and 18,762.04 is: 28,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,299.42 : 81,460.00 = 18,762.04 : x
  2. Step 2: Convert to fraction form
    54,299.42/81,460.00 = 18,762.04/x
  3. Step 3: Cross multiply
    54,299.42x = 81,460.00 × 18,762.04
  4. Step 4: Simplify right side
    54,299.42x = 1,528,355,339.93
  5. Step 5: Solve for x
    x = 1,528,355,339.93/54,299.42
  6. Step 6: Final answer
    x = 28,146.81

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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.