Home / 65,467.24-90,353.22-39,968.26

Finding the Fourth Proportional to 65,467.24, 90,353.22 and 39,968.26

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Solution

The fourth proportional to 65,467.24, 90,353.22 and 39,968.26 is: 55,161.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,467.24 : 90,353.22 = 39,968.26 : x
  2. Step 2: Convert to fraction form
    65,467.24/90,353.22 = 39,968.26/x
  3. Step 3: Cross multiply
    65,467.24x = 90,353.22 × 39,968.26
  4. Step 4: Simplify right side
    65,467.24x = 3,611,260,988.80
  5. Step 5: Solve for x
    x = 3,611,260,988.80/65,467.24
  6. Step 6: Final answer
    x = 55,161.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.