Finding the Fourth Proportional to 68,055.36, 101,883.42 and 47,721.62
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Solution
The fourth proportional to 68,055.36, 101,883.42 and 47,721.62 is: 71,442.45
Step by Step Solution
- Step 1: Write the proportion equation
68,055.36 : 101,883.42 = 47,721.62 : x - Step 2: Convert to fraction form
68,055.36/101,883.42 = 47,721.62/x - Step 3: Cross multiply
68,055.36x = 101,883.42 × 47,721.62 - Step 4: Simplify right side
68,055.36x = 4,862,041,573.86 - Step 5: Solve for x
x = 4,862,041,573.86/68,055.36 - Step 6: Final answer
x = 71,442.45
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1.5x scale
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.