Home / 55,063.35-75,984.98-31,189.54

Finding the Fourth Proportional to 55,063.35, 75,984.98 and 31,189.54

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Solution

The fourth proportional to 55,063.35, 75,984.98 and 31,189.54 is: 43,040.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,063.35 : 75,984.98 = 31,189.54 : x
  2. Step 2: Convert to fraction form
    55,063.35/75,984.98 = 31,189.54/x
  3. Step 3: Cross multiply
    55,063.35x = 75,984.98 × 31,189.54
  4. Step 4: Simplify right side
    55,063.35x = 2,369,936,651.08
  5. Step 5: Solve for x
    x = 2,369,936,651.08/55,063.35
  6. Step 6: Final answer
    x = 43,040.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.