Home / 111,709.07-167,682.98-45,192.68

Finding the Fourth Proportional to 111,709.07, 167,682.98 and 45,192.68

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Solution

The fourth proportional to 111,709.07, 167,682.98 and 45,192.68 is: 67,837.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,709.07 : 167,682.98 = 45,192.68 : x
  2. Step 2: Convert to fraction form
    111,709.07/167,682.98 = 45,192.68/x
  3. Step 3: Cross multiply
    111,709.07x = 167,682.98 × 45,192.68
  4. Step 4: Simplify right side
    111,709.07x = 7,578,043,030.62
  5. Step 5: Solve for x
    x = 7,578,043,030.62/111,709.07
  6. Step 6: Final answer
    x = 67,837.31

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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.