Home / 110,990.52-153,163.50-67,986.36

Finding the Fourth Proportional to 110,990.52, 153,163.50 and 67,986.36

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Solution

The fourth proportional to 110,990.52, 153,163.50 and 67,986.36 is: 93,819.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,990.52 : 153,163.50 = 67,986.36 : x
  2. Step 2: Convert to fraction form
    110,990.52/153,163.50 = 67,986.36/x
  3. Step 3: Cross multiply
    110,990.52x = 153,163.50 × 67,986.36
  4. Step 4: Simplify right side
    110,990.52x = 10,413,028,849.86
  5. Step 5: Solve for x
    x = 10,413,028,849.86/110,990.52
  6. Step 6: Final answer
    x = 93,819.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.