Home / 135,971.35-203,886.99-61,027.25

Finding the Fourth Proportional to 135,971.35, 203,886.99 and 61,027.25

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Solution

The fourth proportional to 135,971.35, 203,886.99 and 61,027.25 is: 91,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,971.35 : 203,886.99 = 61,027.25 : x
  2. Step 2: Convert to fraction form
    135,971.35/203,886.99 = 61,027.25/x
  3. Step 3: Cross multiply
    135,971.35x = 203,886.99 × 61,027.25
  4. Step 4: Simplify right side
    135,971.35x = 12,442,661,291.04
  5. Step 5: Solve for x
    x = 12,442,661,291.04/135,971.35
  6. Step 6: Final answer
    x = 91,509.44

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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.