Home / 56,072.09-84,122.28-18,632.36

Finding the Fourth Proportional to 56,072.09, 84,122.28 and 18,632.36

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Solution

The fourth proportional to 56,072.09, 84,122.28 and 18,632.36 is: 27,953.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,072.09 : 84,122.28 = 18,632.36 : x
  2. Step 2: Convert to fraction form
    56,072.09/84,122.28 = 18,632.36/x
  3. Step 3: Cross multiply
    56,072.09x = 84,122.28 × 18,632.36
  4. Step 4: Simplify right side
    56,072.09x = 1,567,396,184.37
  5. Step 5: Solve for x
    x = 1,567,396,184.37/56,072.09
  6. Step 6: Final answer
    x = 27,953.24

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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.