Home / 79,419.04-109,598.38-43,611.36

Finding the Fourth Proportional to 79,419.04, 109,598.38 and 43,611.36

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Solution

The fourth proportional to 79,419.04, 109,598.38 and 43,611.36 is: 60,183.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,419.04 : 109,598.38 = 43,611.36 : x
  2. Step 2: Convert to fraction form
    79,419.04/109,598.38 = 43,611.36/x
  3. Step 3: Cross multiply
    79,419.04x = 109,598.38 × 43,611.36
  4. Step 4: Simplify right side
    79,419.04x = 4,779,734,405.60
  5. Step 5: Solve for x
    x = 4,779,734,405.60/79,419.04
  6. Step 6: Final answer
    x = 60,183.73

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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.