Finding the Fourth Proportional to 97,998.05, 146,897.79 and 66,411.29
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Solution
The fourth proportional to 97,998.05, 146,897.79 and 66,411.29 is: 99,549.65
Step by Step Solution
- Step 1: Write the proportion equation
97,998.05 : 146,897.79 = 66,411.29 : x - Step 2: Convert to fraction form
97,998.05/146,897.79 = 66,411.29/x - Step 3: Cross multiply
97,998.05x = 146,897.79 × 66,411.29 - Step 4: Simplify right side
97,998.05x = 9,755,671,850.25 - Step 5: Solve for x
x = 9,755,671,850.25/97,998.05 - Step 6: Final answer
x = 99,549.65
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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.