Home / 70,157.22-105,239.48-35,085.03

Finding the Fourth Proportional to 70,157.22, 105,239.48 and 35,085.03

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Solution

The fourth proportional to 70,157.22, 105,239.48 and 35,085.03 is: 52,629.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,157.22 : 105,239.48 = 35,085.03 : x
  2. Step 2: Convert to fraction form
    70,157.22/105,239.48 = 35,085.03/x
  3. Step 3: Cross multiply
    70,157.22x = 105,239.48 × 35,085.03
  4. Step 4: Simplify right side
    70,157.22x = 3,692,330,137.56
  5. Step 5: Solve for x
    x = 3,692,330,137.56/70,157.22
  6. Step 6: Final answer
    x = 52,629.37

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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.