Home / 123,618.39-170,596.73-69,911.44

Finding the Fourth Proportional to 123,618.39, 170,596.73 and 69,911.44

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Solution

The fourth proportional to 123,618.39, 170,596.73 and 69,911.44 is: 96,479.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,618.39 : 170,596.73 = 69,911.44 : x
  2. Step 2: Convert to fraction form
    123,618.39/170,596.73 = 69,911.44/x
  3. Step 3: Cross multiply
    123,618.39x = 170,596.73 × 69,911.44
  4. Step 4: Simplify right side
    123,618.39x = 11,926,662,801.88
  5. Step 5: Solve for x
    x = 11,926,662,801.88/123,618.39
  6. Step 6: Final answer
    x = 96,479.68

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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.