Home / 110,518.24-152,469.52-77,003.68

Finding the Fourth Proportional to 110,518.24, 152,469.52 and 77,003.68

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Solution

The fourth proportional to 110,518.24, 152,469.52 and 77,003.68 is: 106,233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,518.24 : 152,469.52 = 77,003.68 : x
  2. Step 2: Convert to fraction form
    110,518.24/152,469.52 = 77,003.68/x
  3. Step 3: Cross multiply
    110,518.24x = 152,469.52 × 77,003.68
  4. Step 4: Simplify right side
    110,518.24x = 11,740,714,127.83
  5. Step 5: Solve for x
    x = 11,740,714,127.83/110,518.24
  6. Step 6: Final answer
    x = 106,233.27

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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.