Home / 73,621.27-101,571.45-48,142.54

Finding the Fourth Proportional to 73,621.27, 101,571.45 and 48,142.54

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Solution

The fourth proportional to 73,621.27, 101,571.45 and 48,142.54 is: 66,419.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,621.27 : 101,571.45 = 48,142.54 : x
  2. Step 2: Convert to fraction form
    73,621.27/101,571.45 = 48,142.54/x
  3. Step 3: Cross multiply
    73,621.27x = 101,571.45 × 48,142.54
  4. Step 4: Simplify right side
    73,621.27x = 4,889,907,594.48
  5. Step 5: Solve for x
    x = 4,889,907,594.48/73,621.27
  6. Step 6: Final answer
    x = 66,419.77

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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.