Home / 110,048.06-165,128.39-52,410.56

Finding the Fourth Proportional to 110,048.06, 165,128.39 and 52,410.56

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Solution

The fourth proportional to 110,048.06, 165,128.39 and 52,410.56 is: 78,642.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,048.06 : 165,128.39 = 52,410.56 : x
  2. Step 2: Convert to fraction form
    110,048.06/165,128.39 = 52,410.56/x
  3. Step 3: Cross multiply
    110,048.06x = 165,128.39 × 52,410.56
  4. Step 4: Simplify right side
    110,048.06x = 8,654,471,888.36
  5. Step 5: Solve for x
    x = 8,654,471,888.36/110,048.06
  6. Step 6: Final answer
    x = 78,642.66

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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.