Home / 69,128.92-95,400.06-39,322.84

Finding the Fourth Proportional to 69,128.92, 95,400.06 and 39,322.84

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Solution

The fourth proportional to 69,128.92, 95,400.06 and 39,322.84 is: 54,266.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,128.92 : 95,400.06 = 39,322.84 : x
  2. Step 2: Convert to fraction form
    69,128.92/95,400.06 = 39,322.84/x
  3. Step 3: Cross multiply
    69,128.92x = 95,400.06 × 39,322.84
  4. Step 4: Simplify right side
    69,128.92x = 3,751,401,295.37
  5. Step 5: Solve for x
    x = 3,751,401,295.37/69,128.92
  6. Step 6: Final answer
    x = 54,266.74

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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.