Home / 68,071.20-101,922.48-35,170.08

Finding the Fourth Proportional to 68,071.20, 101,922.48 and 35,170.08

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Solution

The fourth proportional to 68,071.20, 101,922.48 and 35,170.08 is: 52,659.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,071.20 : 101,922.48 = 35,170.08 : x
  2. Step 2: Convert to fraction form
    68,071.20/101,922.48 = 35,170.08/x
  3. Step 3: Cross multiply
    68,071.20x = 101,922.48 × 35,170.08
  4. Step 4: Simplify right side
    68,071.20x = 3,584,621,775.40
  5. Step 5: Solve for x
    x = 3,584,621,775.40/68,071.20
  6. Step 6: Final answer
    x = 52,659.89

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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.