Home / 50,741.66-70,022.06-28,081.60

Finding the Fourth Proportional to 50,741.66, 70,022.06 and 28,081.60

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Solution

The fourth proportional to 50,741.66, 70,022.06 and 28,081.60 is: 38,751.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,741.66 : 70,022.06 = 28,081.60 : x
  2. Step 2: Convert to fraction form
    50,741.66/70,022.06 = 28,081.60/x
  3. Step 3: Cross multiply
    50,741.66x = 70,022.06 × 28,081.60
  4. Step 4: Simplify right side
    50,741.66x = 1,966,330,989.58
  5. Step 5: Solve for x
    x = 1,966,330,989.58/50,741.66
  6. Step 6: Final answer
    x = 38,751.81

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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.