Home / 66,134.88-99,117.96-30,997.12

Finding the Fourth Proportional to 66,134.88, 99,117.96 and 30,997.12

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Solution

The fourth proportional to 66,134.88, 99,117.96 and 30,997.12 is: 46,456.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,134.88 : 99,117.96 = 30,997.12 : x
  2. Step 2: Convert to fraction form
    66,134.88/99,117.96 = 30,997.12/x
  3. Step 3: Cross multiply
    66,134.88x = 99,117.96 × 30,997.12
  4. Step 4: Simplify right side
    66,134.88x = 3,072,371,300.28
  5. Step 5: Solve for x
    x = 3,072,371,300.28/66,134.88
  6. Step 6: Final answer
    x = 46,456.14

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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.