Home / 74,738.62-112,108.33-22,148.56

Finding the Fourth Proportional to 74,738.62, 112,108.33 and 22,148.56

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Solution

The fourth proportional to 74,738.62, 112,108.33 and 22,148.56 is: 33,222.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,738.62 : 112,108.33 = 22,148.56 : x
  2. Step 2: Convert to fraction form
    74,738.62/112,108.33 = 22,148.56/x
  3. Step 3: Cross multiply
    74,738.62x = 112,108.33 × 22,148.56
  4. Step 4: Simplify right side
    74,738.62x = 2,483,038,073.50
  5. Step 5: Solve for x
    x = 2,483,038,073.50/74,738.62
  6. Step 6: Final answer
    x = 33,222.96

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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.