Home / 73,130.33-109,481.45-66,126.26

Finding the Fourth Proportional to 73,130.33, 109,481.45 and 66,126.26

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Solution

The fourth proportional to 73,130.33, 109,481.45 and 66,126.26 is: 98,995.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,130.33 : 109,481.45 = 66,126.26 : x
  2. Step 2: Convert to fraction form
    73,130.33/109,481.45 = 66,126.26/x
  3. Step 3: Cross multiply
    73,130.33x = 109,481.45 × 66,126.26
  4. Step 4: Simplify right side
    73,130.33x = 7,239,597,949.84
  5. Step 5: Solve for x
    x = 7,239,597,949.84/73,130.33
  6. Step 6: Final answer
    x = 98,995.84

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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.