Home / 89,011.50-122,849.62-50,771.14

Finding the Fourth Proportional to 89,011.50, 122,849.62 and 50,771.14

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Solution

The fourth proportional to 89,011.50, 122,849.62 and 50,771.14 is: 70,072.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,011.50 : 122,849.62 = 50,771.14 : x
  2. Step 2: Convert to fraction form
    89,011.50/122,849.62 = 50,771.14/x
  3. Step 3: Cross multiply
    89,011.50x = 122,849.62 × 50,771.14
  4. Step 4: Simplify right side
    89,011.50x = 6,237,215,255.97
  5. Step 5: Solve for x
    x = 6,237,215,255.97/89,011.50
  6. Step 6: Final answer
    x = 70,072.02

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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.