Home / 53,071.70-79,620.55-43,600.03

Finding the Fourth Proportional to 53,071.70, 79,620.55 and 43,600.03

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Solution

The fourth proportional to 53,071.70, 79,620.55 and 43,600.03 is: 65,410.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,071.70 : 79,620.55 = 43,600.03 : x
  2. Step 2: Convert to fraction form
    53,071.70/79,620.55 = 43,600.03/x
  3. Step 3: Cross multiply
    53,071.70x = 79,620.55 × 43,600.03
  4. Step 4: Simplify right side
    53,071.70x = 3,471,458,060.57
  5. Step 5: Solve for x
    x = 3,471,458,060.57/53,071.70
  6. Step 6: Final answer
    x = 65,410.73

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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.