Home / 69,201.80-95,502.78-40,136.07

Finding the Fourth Proportional to 69,201.80, 95,502.78 and 40,136.07

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Solution

The fourth proportional to 69,201.80, 95,502.78 and 40,136.07 is: 55,390.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,201.80 : 95,502.78 = 40,136.07 : x
  2. Step 2: Convert to fraction form
    69,201.80/95,502.78 = 40,136.07/x
  3. Step 3: Cross multiply
    69,201.80x = 95,502.78 × 40,136.07
  4. Step 4: Simplify right side
    69,201.80x = 3,833,106,263.27
  5. Step 5: Solve for x
    x = 3,833,106,263.27/69,201.80
  6. Step 6: Final answer
    x = 55,390.27

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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.