Home / 111,779.13-167,716.08-52,613.49

Finding the Fourth Proportional to 111,779.13, 167,716.08 and 52,613.49

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Solution

The fourth proportional to 111,779.13, 167,716.08 and 52,613.49 is: 78,942.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,779.13 : 167,716.08 = 52,613.49 : x
  2. Step 2: Convert to fraction form
    111,779.13/167,716.08 = 52,613.49/x
  3. Step 3: Cross multiply
    111,779.13x = 167,716.08 × 52,613.49
  4. Step 4: Simplify right side
    111,779.13x = 8,824,128,297.92
  5. Step 5: Solve for x
    x = 8,824,128,297.92/111,779.13
  6. Step 6: Final answer
    x = 78,942.54

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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.