Home / 47,741.20-71,611.80-36,703.60

Finding the Fourth Proportional to 47,741.20, 71,611.80 and 36,703.60

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Solution

The fourth proportional to 47,741.20, 71,611.80 and 36,703.60 is: 55,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,741.20 : 71,611.80 = 36,703.60 : x
  2. Step 2: Convert to fraction form
    47,741.20/71,611.80 = 36,703.60/x
  3. Step 3: Cross multiply
    47,741.20x = 71,611.80 × 36,703.60
  4. Step 4: Simplify right side
    47,741.20x = 2,628,410,862.48
  5. Step 5: Solve for x
    x = 2,628,410,862.48/47,741.20
  6. Step 6: Final answer
    x = 55,055.40

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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.