Finding the Fourth Proportional to 68,847.08, 103,138.97 and 46,551.02
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Solution
The fourth proportional to 68,847.08, 103,138.97 and 46,551.02 is: 69,737.51
Step by Step Solution
- Step 1: Write the proportion equation
68,847.08 : 103,138.97 = 46,551.02 : x - Step 2: Convert to fraction form
68,847.08/103,138.97 = 46,551.02/x - Step 3: Cross multiply
68,847.08x = 103,138.97 × 46,551.02 - Step 4: Simplify right side
68,847.08x = 4,801,223,506.80 - Step 5: Solve for x
x = 4,801,223,506.80/68,847.08 - Step 6: Final answer
x = 69,737.51
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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.