Home / 111,933.12-167,939.77-55,768.22

Finding the Fourth Proportional to 111,933.12, 167,939.77 and 55,768.22

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Solution

The fourth proportional to 111,933.12, 167,939.77 and 55,768.22 is: 83,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,933.12 : 167,939.77 = 55,768.22 : x
  2. Step 2: Convert to fraction form
    111,933.12/167,939.77 = 55,768.22/x
  3. Step 3: Cross multiply
    111,933.12x = 167,939.77 × 55,768.22
  4. Step 4: Simplify right side
    111,933.12x = 9,365,702,040.11
  5. Step 5: Solve for x
    x = 9,365,702,040.11/111,933.12
  6. Step 6: Final answer
    x = 83,672.30

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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.