Home / 81,447.18-122,198.10-44,010.60

Finding the Fourth Proportional to 81,447.18, 122,198.10 and 44,010.60

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Solution

The fourth proportional to 81,447.18, 122,198.10 and 44,010.60 is: 66,030.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,447.18 : 122,198.10 = 44,010.60 : x
  2. Step 2: Convert to fraction form
    81,447.18/122,198.10 = 44,010.60/x
  3. Step 3: Cross multiply
    81,447.18x = 122,198.10 × 44,010.60
  4. Step 4: Simplify right side
    81,447.18x = 5,378,011,699.86
  5. Step 5: Solve for x
    x = 5,378,011,699.86/81,447.18
  6. Step 6: Final answer
    x = 66,030.67

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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.