Home / 55,576.36-83,364.54-18,666.28

Finding the Fourth Proportional to 55,576.36, 83,364.54 and 18,666.28

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Solution

The fourth proportional to 55,576.36, 83,364.54 and 18,666.28 is: 27,999.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,576.36 : 83,364.54 = 18,666.28 : x
  2. Step 2: Convert to fraction form
    55,576.36/83,364.54 = 18,666.28/x
  3. Step 3: Cross multiply
    55,576.36x = 83,364.54 × 18,666.28
  4. Step 4: Simplify right side
    55,576.36x = 1,556,105,845.71
  5. Step 5: Solve for x
    x = 1,556,105,845.71/55,576.36
  6. Step 6: Final answer
    x = 27,999.42

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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.