Home / 73,305.12-101,161.26-39,771.12

Finding the Fourth Proportional to 73,305.12, 101,161.26 and 39,771.12

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Solution

The fourth proportional to 73,305.12, 101,161.26 and 39,771.12 is: 54,884.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,305.12 : 101,161.26 = 39,771.12 : x
  2. Step 2: Convert to fraction form
    73,305.12/101,161.26 = 39,771.12/x
  3. Step 3: Cross multiply
    73,305.12x = 101,161.26 × 39,771.12
  4. Step 4: Simplify right side
    73,305.12x = 4,023,296,610.81
  5. Step 5: Solve for x
    x = 4,023,296,610.81/73,305.12
  6. Step 6: Final answer
    x = 54,884.25

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1.5x scale

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.