Finding the Fourth Proportional to 68,053.07, 101,879.99 and 47,719.32
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Solution
The fourth proportional to 68,053.07, 101,879.99 and 47,719.32 is: 71,439.01
Step by Step Solution
- Step 1: Write the proportion equation
68,053.07 : 101,879.99 = 47,719.32 : x - Step 2: Convert to fraction form
68,053.07/101,879.99 = 47,719.32/x - Step 3: Cross multiply
68,053.07x = 101,879.99 × 47,719.32 - Step 4: Simplify right side
68,053.07x = 4,861,643,844.41 - Step 5: Solve for x
x = 4,861,643,844.41/68,053.07 - Step 6: Final answer
x = 71,439.01
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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.