Home / 74,360.28-111,539.04-29,986.08

Finding the Fourth Proportional to 74,360.28, 111,539.04 and 29,986.08

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Solution

The fourth proportional to 74,360.28, 111,539.04 and 29,986.08 is: 44,978.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,360.28 : 111,539.04 = 29,986.08 : x
  2. Step 2: Convert to fraction form
    74,360.28/111,539.04 = 29,986.08/x
  3. Step 3: Cross multiply
    74,360.28x = 111,539.04 × 29,986.08
  4. Step 4: Simplify right side
    74,360.28x = 3,344,618,576.56
  5. Step 5: Solve for x
    x = 3,344,618,576.56/74,360.28
  6. Step 6: Final answer
    x = 44,978.56

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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.