Home / 70,142.49-105,144.48-27,997.17

Finding the Fourth Proportional to 70,142.49, 105,144.48 and 27,997.17

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Solution

The fourth proportional to 70,142.49, 105,144.48 and 27,997.17 is: 41,968.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,142.49 : 105,144.48 = 27,997.17 : x
  2. Step 2: Convert to fraction form
    70,142.49/105,144.48 = 27,997.17/x
  3. Step 3: Cross multiply
    70,142.49x = 105,144.48 × 27,997.17
  4. Step 4: Simplify right side
    70,142.49x = 2,943,747,741.14
  5. Step 5: Solve for x
    x = 2,943,747,741.14/70,142.49
  6. Step 6: Final answer
    x = 41,968.11

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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.