Home / 70,122.24-105,105.44-53,427.22

Finding the Fourth Proportional to 70,122.24, 105,105.44 and 53,427.22

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Solution

The fourth proportional to 70,122.24, 105,105.44 and 53,427.22 is: 80,081.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,122.24 : 105,105.44 = 53,427.22 : x
  2. Step 2: Convert to fraction form
    70,122.24/105,105.44 = 53,427.22/x
  3. Step 3: Cross multiply
    70,122.24x = 105,105.44 × 53,427.22
  4. Step 4: Simplify right side
    70,122.24x = 5,615,491,466.08
  5. Step 5: Solve for x
    x = 5,615,491,466.08/70,122.24
  6. Step 6: Final answer
    x = 80,081.46

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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.