Finding the Fourth Proportional to 93,663.24, 129,270.54 and 69,623.87
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Solution
The fourth proportional to 93,663.24, 129,270.54 and 69,623.87 is: 96,092.28
Step by Step Solution
- Step 1: Write the proportion equation
93,663.24 : 129,270.54 = 69,623.87 : x - Step 2: Convert to fraction form
93,663.24/129,270.54 = 69,623.87/x - Step 3: Cross multiply
93,663.24x = 129,270.54 × 69,623.87 - Step 4: Simplify right side
93,663.24x = 9,000,314,625.44 - Step 5: Solve for x
x = 9,000,314,625.44/93,663.24 - Step 6: Final answer
x = 96,092.28
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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.