Home / 121,738.03-167,995.25-68,023.48

Finding the Fourth Proportional to 121,738.03, 167,995.25 and 68,023.48

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Solution

The fourth proportional to 121,738.03, 167,995.25 and 68,023.48 is: 93,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,738.03 : 167,995.25 = 68,023.48 : x
  2. Step 2: Convert to fraction form
    121,738.03/167,995.25 = 68,023.48/x
  3. Step 3: Cross multiply
    121,738.03x = 167,995.25 × 68,023.48
  4. Step 4: Simplify right side
    121,738.03x = 11,427,621,528.47
  5. Step 5: Solve for x
    x = 11,427,621,528.47/121,738.03
  6. Step 6: Final answer
    x = 93,870.60

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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.