Home / 74,255.79-111,357.75-29,871.03

Finding the Fourth Proportional to 74,255.79, 111,357.75 and 29,871.03

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Solution

The fourth proportional to 74,255.79, 111,357.75 and 29,871.03 is: 44,796.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,255.79 : 111,357.75 = 29,871.03 : x
  2. Step 2: Convert to fraction form
    74,255.79/111,357.75 = 29,871.03/x
  3. Step 3: Cross multiply
    74,255.79x = 111,357.75 × 29,871.03
  4. Step 4: Simplify right side
    74,255.79x = 3,326,370,690.98
  5. Step 5: Solve for x
    x = 3,326,370,690.98/74,255.79
  6. Step 6: Final answer
    x = 44,796.11

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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.