Home / 72,518.54-108,676.62-39,166.76

Finding the Fourth Proportional to 72,518.54, 108,676.62 and 39,166.76

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Solution

The fourth proportional to 72,518.54, 108,676.62 and 39,166.76 is: 58,695.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,518.54 : 108,676.62 = 39,166.76 : x
  2. Step 2: Convert to fraction form
    72,518.54/108,676.62 = 39,166.76/x
  3. Step 3: Cross multiply
    72,518.54x = 108,676.62 × 39,166.76
  4. Step 4: Simplify right side
    72,518.54x = 4,256,511,093.15
  5. Step 5: Solve for x
    x = 4,256,511,093.15/72,518.54
  6. Step 6: Final answer
    x = 58,695.49

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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.