Home / 72,626.38-100,226.84-40,362.36

Finding the Fourth Proportional to 72,626.38, 100,226.84 and 40,362.36

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Solution

The fourth proportional to 72,626.38, 100,226.84 and 40,362.36 is: 55,701.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,626.38 : 100,226.84 = 40,362.36 : x
  2. Step 2: Convert to fraction form
    72,626.38/100,226.84 = 40,362.36/x
  3. Step 3: Cross multiply
    72,626.38x = 100,226.84 × 40,362.36
  4. Step 4: Simplify right side
    72,626.38x = 4,045,391,797.74
  5. Step 5: Solve for x
    x = 4,045,391,797.74/72,626.38
  6. Step 6: Final answer
    x = 55,701.41

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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.