Home / 70,824.03-106,236.09-67,749.07

Finding the Fourth Proportional to 70,824.03, 106,236.09 and 67,749.07

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Solution

The fourth proportional to 70,824.03, 106,236.09 and 67,749.07 is: 101,623.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,824.03 : 106,236.09 = 67,749.07 : x
  2. Step 2: Convert to fraction form
    70,824.03/106,236.09 = 67,749.07/x
  3. Step 3: Cross multiply
    70,824.03x = 106,236.09 × 67,749.07
  4. Step 4: Simplify right side
    70,824.03x = 7,197,395,959.19
  5. Step 5: Solve for x
    x = 7,197,395,959.19/70,824.03
  6. Step 6: Final answer
    x = 101,623.64

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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.