Home / 79,421.56-109,600.93-43,611.23

Finding the Fourth Proportional to 79,421.56, 109,600.93 and 43,611.23

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Solution

The fourth proportional to 79,421.56, 109,600.93 and 43,611.23 is: 60,183.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,421.56 : 109,600.93 = 43,611.23 : x
  2. Step 2: Convert to fraction form
    79,421.56/109,600.93 = 43,611.23/x
  3. Step 3: Cross multiply
    79,421.56x = 109,600.93 × 43,611.23
  4. Step 4: Simplify right side
    79,421.56x = 4,779,831,366.44
  5. Step 5: Solve for x
    x = 4,779,831,366.44/79,421.56
  6. Step 6: Final answer
    x = 60,183.05

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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.