Home / 89,212.56-133,825.32-30,048.24

Finding the Fourth Proportional to 89,212.56, 133,825.32 and 30,048.24

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Solution

The fourth proportional to 89,212.56, 133,825.32 and 30,048.24 is: 45,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,212.56 : 133,825.32 = 30,048.24 : x
  2. Step 2: Convert to fraction form
    89,212.56/133,825.32 = 30,048.24/x
  3. Step 3: Cross multiply
    89,212.56x = 133,825.32 × 30,048.24
  4. Step 4: Simplify right side
    89,212.56x = 4,021,215,333.44
  5. Step 5: Solve for x
    x = 4,021,215,333.44/89,212.56
  6. Step 6: Final answer
    x = 45,074.54

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1.5x scale

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.