Home / 55,889.35-83,842.36-18,453.38

Finding the Fourth Proportional to 55,889.35, 83,842.36 and 18,453.38

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Solution

The fourth proportional to 55,889.35, 83,842.36 and 18,453.38 is: 27,682.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,889.35 : 83,842.36 = 18,453.38 : x
  2. Step 2: Convert to fraction form
    55,889.35/83,842.36 = 18,453.38/x
  3. Step 3: Cross multiply
    55,889.35x = 83,842.36 × 18,453.38
  4. Step 4: Simplify right side
    55,889.35x = 1,547,174,463.83
  5. Step 5: Solve for x
    x = 1,547,174,463.83/55,889.35
  6. Step 6: Final answer
    x = 27,682.81

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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.