Finding the Fourth Proportional to 97,712.96, 146,347.97 and 76,520.93
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Solution
The fourth proportional to 97,712.96, 146,347.97 and 76,520.93 is: 114,607.95
Step by Step Solution
- Step 1: Write the proportion equation
97,712.96 : 146,347.97 = 76,520.93 : x - Step 2: Convert to fraction form
97,712.96/146,347.97 = 76,520.93/x - Step 3: Cross multiply
97,712.96x = 146,347.97 × 76,520.93 - Step 4: Simplify right side
97,712.96x = 11,198,681,653.67 - Step 5: Solve for x
x = 11,198,681,653.67/97,712.96 - Step 6: Final answer
x = 114,607.95
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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.