Home / 74,289.80-111,433.48-29,915.43

Finding the Fourth Proportional to 74,289.80, 111,433.48 and 29,915.43

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Solution

The fourth proportional to 74,289.80, 111,433.48 and 29,915.43 is: 44,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,289.80 : 111,433.48 = 29,915.43 : x
  2. Step 2: Convert to fraction form
    74,289.80/111,433.48 = 29,915.43/x
  3. Step 3: Cross multiply
    74,289.80x = 111,433.48 × 29,915.43
  4. Step 4: Simplify right side
    74,289.80x = 3,333,580,749.18
  5. Step 5: Solve for x
    x = 3,333,580,749.18/74,289.80
  6. Step 6: Final answer
    x = 44,872.66

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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.