Finding the Fourth Proportional to 97,616.37, 134,699.49 and 55,174.80
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Solution
The fourth proportional to 97,616.37, 134,699.49 and 55,174.80 is: 76,134.95
Step by Step Solution
- Step 1: Write the proportion equation
97,616.37 : 134,699.49 = 55,174.80 : x - Step 2: Convert to fraction form
97,616.37/134,699.49 = 55,174.80/x - Step 3: Cross multiply
97,616.37x = 134,699.49 × 55,174.80 - Step 4: Simplify right side
97,616.37x = 7,432,017,420.85 - Step 5: Solve for x
x = 7,432,017,420.85/97,616.37 - Step 6: Final answer
x = 76,134.95
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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.