Home / 72,556.38-100,137.24-40,725.18

Finding the Fourth Proportional to 72,556.38, 100,137.24 and 40,725.18

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Solution

The fourth proportional to 72,556.38, 100,137.24 and 40,725.18 is: 56,206.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,556.38 : 100,137.24 = 40,725.18 : x
  2. Step 2: Convert to fraction form
    72,556.38/100,137.24 = 40,725.18/x
  3. Step 3: Cross multiply
    72,556.38x = 100,137.24 × 40,725.18
  4. Step 4: Simplify right side
    72,556.38x = 4,078,107,123.70
  5. Step 5: Solve for x
    x = 4,078,107,123.70/72,556.38
  6. Step 6: Final answer
    x = 56,206.04

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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.