Finding the Fourth Proportional to 69,015.09, 103,356.47 and 46,760.99
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Solution
The fourth proportional to 69,015.09, 103,356.47 and 46,760.99 is: 70,028.89
Step by Step Solution
- Step 1: Write the proportion equation
69,015.09 : 103,356.47 = 46,760.99 : x - Step 2: Convert to fraction form
69,015.09/103,356.47 = 46,760.99/x - Step 3: Cross multiply
69,015.09x = 103,356.47 × 46,760.99 - Step 4: Simplify right side
69,015.09x = 4,833,050,109.52 - Step 5: Solve for x
x = 4,833,050,109.52/69,015.09 - Step 6: Final answer
x = 70,028.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.