Home / 122,309.44-168,779.52-68,590.56

Finding the Fourth Proportional to 122,309.44, 168,779.52 and 68,590.56

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Solution

The fourth proportional to 122,309.44, 168,779.52 and 68,590.56 is: 94,650.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,309.44 : 168,779.52 = 68,590.56 : x
  2. Step 2: Convert to fraction form
    122,309.44/168,779.52 = 68,590.56/x
  3. Step 3: Cross multiply
    122,309.44x = 168,779.52 × 68,590.56
  4. Step 4: Simplify right side
    122,309.44x = 11,576,681,793.33
  5. Step 5: Solve for x
    x = 11,576,681,793.33/122,309.44
  6. Step 6: Final answer
    x = 94,650.76

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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.