Home / 73,899.23-101,242.32-71,131.71

Finding the Fourth Proportional to 73,899.23, 101,242.32 and 71,131.71

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Solution

The fourth proportional to 73,899.23, 101,242.32 and 71,131.71 is: 97,450.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,899.23 : 101,242.32 = 71,131.71 : x
  2. Step 2: Convert to fraction form
    73,899.23/101,242.32 = 71,131.71/x
  3. Step 3: Cross multiply
    73,899.23x = 101,242.32 × 71,131.71
  4. Step 4: Simplify right side
    73,899.23x = 7,201,539,859.00
  5. Step 5: Solve for x
    x = 7,201,539,859.00/73,899.23
  6. Step 6: Final answer
    x = 97,450.81

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.