Home / 55,828.74-83,754.63-18,391.08

Finding the Fourth Proportional to 55,828.74, 83,754.63 and 18,391.08

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Solution

The fourth proportional to 55,828.74, 83,754.63 and 18,391.08 is: 27,590.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,828.74 : 83,754.63 = 18,391.08 : x
  2. Step 2: Convert to fraction form
    55,828.74/83,754.63 = 18,391.08/x
  3. Step 3: Cross multiply
    55,828.74x = 83,754.63 × 18,391.08
  4. Step 4: Simplify right side
    55,828.74x = 1,540,338,100.70
  5. Step 5: Solve for x
    x = 1,540,338,100.70/55,828.74
  6. Step 6: Final answer
    x = 27,590.41

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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.