Home / 110,641.35-165,986.70-31,749.42

Finding the Fourth Proportional to 110,641.35, 165,986.70 and 31,749.42

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Solution

The fourth proportional to 110,641.35, 165,986.70 and 31,749.42 is: 47,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,641.35 : 165,986.70 = 31,749.42 : x
  2. Step 2: Convert to fraction form
    110,641.35/165,986.70 = 31,749.42/x
  3. Step 3: Cross multiply
    110,641.35x = 165,986.70 × 31,749.42
  4. Step 4: Simplify right side
    110,641.35x = 5,269,982,075.16
  5. Step 5: Solve for x
    x = 5,269,982,075.16/110,641.35
  6. Step 6: Final answer
    x = 47,631.22

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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.