Home / 55,614.42-83,428.11-18,177.30

Finding the Fourth Proportional to 55,614.42, 83,428.11 and 18,177.30

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Solution

The fourth proportional to 55,614.42, 83,428.11 and 18,177.30 is: 27,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,614.42 : 83,428.11 = 18,177.30 : x
  2. Step 2: Convert to fraction form
    55,614.42/83,428.11 = 18,177.30/x
  3. Step 3: Cross multiply
    55,614.42x = 83,428.11 × 18,177.30
  4. Step 4: Simplify right side
    55,614.42x = 1,516,497,783.90
  5. Step 5: Solve for x
    x = 1,516,497,783.90/55,614.42
  6. Step 6: Final answer
    x = 27,268.07

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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.