Finding the Fourth Proportional to 97,755.54, 134,898.91 and 54,731.00
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Solution
The fourth proportional to 97,755.54, 134,898.91 and 54,731.00 is: 75,526.69
Step by Step Solution
- Step 1: Write the proportion equation
97,755.54 : 134,898.91 = 54,731.00 : x - Step 2: Convert to fraction form
97,755.54/134,898.91 = 54,731.00/x - Step 3: Cross multiply
97,755.54x = 134,898.91 × 54,731.00 - Step 4: Simplify right side
97,755.54x = 7,383,152,443.63 - Step 5: Solve for x
x = 7,383,152,443.63/97,755.54 - Step 6: Final answer
x = 75,526.69
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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.