Home / 121,084.18-167,093.56-70,099.06

Finding the Fourth Proportional to 121,084.18, 167,093.56 and 70,099.06

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Solution

The fourth proportional to 121,084.18, 167,093.56 and 70,099.06 is: 96,735.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,084.18 : 167,093.56 = 70,099.06 : x
  2. Step 2: Convert to fraction form
    121,084.18/167,093.56 = 70,099.06/x
  3. Step 3: Cross multiply
    121,084.18x = 167,093.56 × 70,099.06
  4. Step 4: Simplify right side
    121,084.18x = 11,713,101,137.56
  5. Step 5: Solve for x
    x = 11,713,101,137.56/121,084.18
  6. Step 6: Final answer
    x = 96,735.19

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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.