Finding the Fourth Proportional to 102,541.91, 141,490.88 and 68,495.79
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Solution
The fourth proportional to 102,541.91, 141,490.88 and 68,495.79 is: 94,512.86
Step by Step Solution
- Step 1: Write the proportion equation
102,541.91 : 141,490.88 = 68,495.79 : x - Step 2: Convert to fraction form
102,541.91/141,490.88 = 68,495.79/x - Step 3: Cross multiply
102,541.91x = 141,490.88 × 68,495.79 - Step 4: Simplify right side
102,541.91x = 9,691,529,603.40 - Step 5: Solve for x
x = 9,691,529,603.40/102,541.91 - Step 6: Final answer
x = 94,512.86
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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.