Home / 72,601.73-100,195.37-40,340.24

Finding the Fourth Proportional to 72,601.73, 100,195.37 and 40,340.24

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Solution

The fourth proportional to 72,601.73, 100,195.37 and 40,340.24 is: 55,672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,601.73 : 100,195.37 = 40,340.24 : x
  2. Step 2: Convert to fraction form
    72,601.73/100,195.37 = 40,340.24/x
  3. Step 3: Cross multiply
    72,601.73x = 100,195.37 × 40,340.24
  4. Step 4: Simplify right side
    72,601.73x = 4,041,904,570.01
  5. Step 5: Solve for x
    x = 4,041,904,570.01/72,601.73
  6. Step 6: Final answer
    x = 55,672.29

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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.