Home / 72,863.33-100,556.58-40,600.64

Finding the Fourth Proportional to 72,863.33, 100,556.58 and 40,600.64

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Solution

The fourth proportional to 72,863.33, 100,556.58 and 40,600.64 is: 56,031.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,863.33 : 100,556.58 = 40,600.64 : x
  2. Step 2: Convert to fraction form
    72,863.33/100,556.58 = 40,600.64/x
  3. Step 3: Cross multiply
    72,863.33x = 100,556.58 × 40,600.64
  4. Step 4: Simplify right side
    72,863.33x = 4,082,661,504.21
  5. Step 5: Solve for x
    x = 4,082,661,504.21/72,863.33
  6. Step 6: Final answer
    x = 56,031.77

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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.