Finding the Fourth Proportional to 96,695.81, 133,442.52 and 54,257.48
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Solution
The fourth proportional to 96,695.81, 133,442.52 and 54,257.48 is: 74,876.62
Step by Step Solution
- Step 1: Write the proportion equation
96,695.81 : 133,442.52 = 54,257.48 : x - Step 2: Convert to fraction form
96,695.81/133,442.52 = 54,257.48/x - Step 3: Cross multiply
96,695.81x = 133,442.52 × 54,257.48 - Step 4: Simplify right side
96,695.81x = 7,240,255,193.66 - Step 5: Solve for x
x = 7,240,255,193.66/96,695.81 - Step 6: Final answer
x = 74,876.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.