Home / 121,743.22-168,022.33-70,059.26

Finding the Fourth Proportional to 121,743.22, 168,022.33 and 70,059.26

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Solution

The fourth proportional to 121,743.22, 168,022.33 and 70,059.26 is: 96,691.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,743.22 : 168,022.33 = 70,059.26 : x
  2. Step 2: Convert to fraction form
    121,743.22/168,022.33 = 70,059.26/x
  3. Step 3: Cross multiply
    121,743.22x = 168,022.33 × 70,059.26
  4. Step 4: Simplify right side
    121,743.22x = 11,771,519,797.14
  5. Step 5: Solve for x
    x = 11,771,519,797.14/121,743.22
  6. Step 6: Final answer
    x = 96,691.38

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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.