Home / 106,712.75-160,055.85-66,735.29

Finding the Fourth Proportional to 106,712.75, 160,055.85 and 66,735.29

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Solution

The fourth proportional to 106,712.75, 160,055.85 and 66,735.29 is: 100,094.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,712.75 : 160,055.85 = 66,735.29 : x
  2. Step 2: Convert to fraction form
    106,712.75/160,055.85 = 66,735.29/x
  3. Step 3: Cross multiply
    106,712.75x = 160,055.85 × 66,735.29
  4. Step 4: Simplify right side
    106,712.75x = 10,681,373,565.95
  5. Step 5: Solve for x
    x = 10,681,373,565.95/106,712.75
  6. Step 6: Final answer
    x = 100,094.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.