Home / 111,972.12-167,908.48-59,369.28

Finding the Fourth Proportional to 111,972.12, 167,908.48 and 59,369.28

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Solution

The fourth proportional to 111,972.12, 167,908.48 and 59,369.28 is: 89,027.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,972.12 : 167,908.48 = 59,369.28 : x
  2. Step 2: Convert to fraction form
    111,972.12/167,908.48 = 59,369.28/x
  3. Step 3: Cross multiply
    111,972.12x = 167,908.48 × 59,369.28
  4. Step 4: Simplify right side
    111,972.12x = 9,968,605,563.49
  5. Step 5: Solve for x
    x = 9,968,605,563.49/111,972.12
  6. Step 6: Final answer
    x = 89,027.57

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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.