Home / 110,128.44-165,218.13-39,047.31

Finding the Fourth Proportional to 110,128.44, 165,218.13 and 39,047.31

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Solution

The fourth proportional to 110,128.44, 165,218.13 and 39,047.31 is: 58,580.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,128.44 : 165,218.13 = 39,047.31 : x
  2. Step 2: Convert to fraction form
    110,128.44/165,218.13 = 39,047.31/x
  3. Step 3: Cross multiply
    110,128.44x = 165,218.13 × 39,047.31
  4. Step 4: Simplify right side
    110,128.44x = 6,451,323,539.73
  5. Step 5: Solve for x
    x = 6,451,323,539.73/110,128.44
  6. Step 6: Final answer
    x = 58,580.00

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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.