Home / 80,834.56-121,265.34-36,460.33

Finding the Fourth Proportional to 80,834.56, 121,265.34 and 36,460.33

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Solution

The fourth proportional to 80,834.56, 121,265.34 and 36,460.33 is: 54,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,834.56 : 121,265.34 = 36,460.33 : x
  2. Step 2: Convert to fraction form
    80,834.56/121,265.34 = 36,460.33/x
  3. Step 3: Cross multiply
    80,834.56x = 121,265.34 × 36,460.33
  4. Step 4: Simplify right side
    80,834.56x = 4,421,374,313.96
  5. Step 5: Solve for x
    x = 4,421,374,313.96/80,834.56
  6. Step 6: Final answer
    x = 54,696.58

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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.