Home / 69,401.42-95,768.19-40,718.09

Finding the Fourth Proportional to 69,401.42, 95,768.19 and 40,718.09

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Solution

The fourth proportional to 69,401.42, 95,768.19 and 40,718.09 is: 56,187.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,401.42 : 95,768.19 = 40,718.09 : x
  2. Step 2: Convert to fraction form
    69,401.42/95,768.19 = 40,718.09/x
  3. Step 3: Cross multiply
    69,401.42x = 95,768.19 × 40,718.09
  4. Step 4: Simplify right side
    69,401.42x = 3,899,498,018.98
  5. Step 5: Solve for x
    x = 3,899,498,018.98/69,401.42
  6. Step 6: Final answer
    x = 56,187.58

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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.