Home / 54,819.08-75,650.30-30,945.96

Finding the Fourth Proportional to 54,819.08, 75,650.30 and 30,945.96

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Solution

The fourth proportional to 54,819.08, 75,650.30 and 30,945.96 is: 42,705.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,819.08 : 75,650.30 = 30,945.96 : x
  2. Step 2: Convert to fraction form
    54,819.08/75,650.30 = 30,945.96/x
  3. Step 3: Cross multiply
    54,819.08x = 75,650.30 × 30,945.96
  4. Step 4: Simplify right side
    54,819.08x = 2,341,071,157.79
  5. Step 5: Solve for x
    x = 2,341,071,157.79/54,819.08
  6. Step 6: Final answer
    x = 42,705.41

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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.