Home / 89,021.92-122,853.14-48,735.67

Finding the Fourth Proportional to 89,021.92, 122,853.14 and 48,735.67

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Solution

The fourth proportional to 89,021.92, 122,853.14 and 48,735.67 is: 67,256.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,021.92 : 122,853.14 = 48,735.67 : x
  2. Step 2: Convert to fraction form
    89,021.92/122,853.14 = 48,735.67/x
  3. Step 3: Cross multiply
    89,021.92x = 122,853.14 × 48,735.67
  4. Step 4: Simplify right side
    89,021.92x = 5,987,330,089.50
  5. Step 5: Solve for x
    x = 5,987,330,089.50/89,021.92
  6. Step 6: Final answer
    x = 67,256.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.