Home / 70,119.36-105,116.49-25,735.82

Finding the Fourth Proportional to 70,119.36, 105,116.49 and 25,735.82

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Solution

The fourth proportional to 70,119.36, 105,116.49 and 25,735.82 is: 38,580.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,119.36 : 105,116.49 = 25,735.82 : x
  2. Step 2: Convert to fraction form
    70,119.36/105,116.49 = 25,735.82/x
  3. Step 3: Cross multiply
    70,119.36x = 105,116.49 × 25,735.82
  4. Step 4: Simplify right side
    70,119.36x = 2,705,258,540.09
  5. Step 5: Solve for x
    x = 2,705,258,540.09/70,119.36
  6. Step 6: Final answer
    x = 38,580.76

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1.5x scale

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.