Home / 53,088.06-79,644.41-18,027.75

Finding the Fourth Proportional to 53,088.06, 79,644.41 and 18,027.75

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Solution

The fourth proportional to 53,088.06, 79,644.41 and 18,027.75 is: 27,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,088.06 : 79,644.41 = 18,027.75 : x
  2. Step 2: Convert to fraction form
    53,088.06/79,644.41 = 18,027.75/x
  3. Step 3: Cross multiply
    53,088.06x = 79,644.41 × 18,027.75
  4. Step 4: Simplify right side
    53,088.06x = 1,435,809,512.38
  5. Step 5: Solve for x
    x = 1,435,809,512.38/53,088.06
  6. Step 6: Final answer
    x = 27,045.81

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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.