Finding the Fourth Proportional to 68,911.19, 103,235.28 and 46,686.41
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Solution
The fourth proportional to 68,911.19, 103,235.28 and 46,686.41 is: 69,940.52
Step by Step Solution
- Step 1: Write the proportion equation
68,911.19 : 103,235.28 = 46,686.41 : x - Step 2: Convert to fraction form
68,911.19/103,235.28 = 46,686.41/x - Step 3: Cross multiply
68,911.19x = 103,235.28 × 46,686.41 - Step 4: Simplify right side
68,911.19x = 4,819,684,608.54 - Step 5: Solve for x
x = 4,819,684,608.54/68,911.19 - Step 6: Final answer
x = 69,940.52
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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.