Home / 81,799.17-122,755.26-53,732.67

Finding the Fourth Proportional to 81,799.17, 122,755.26 and 53,732.67

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Solution

The fourth proportional to 81,799.17, 122,755.26 and 53,732.67 is: 80,636.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,799.17 : 122,755.26 = 53,732.67 : x
  2. Step 2: Convert to fraction form
    81,799.17/122,755.26 = 53,732.67/x
  3. Step 3: Cross multiply
    81,799.17x = 122,755.26 × 53,732.67
  4. Step 4: Simplify right side
    81,799.17x = 6,595,967,876.34
  5. Step 5: Solve for x
    x = 6,595,967,876.34/81,799.17
  6. Step 6: Final answer
    x = 80,636.12

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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.