Finding the Fourth Proportional to 88,964.55, 122,769.95 and 48,677.85
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Solution
The fourth proportional to 88,964.55, 122,769.95 and 48,677.85 is: 67,174.81
Step by Step Solution
- Step 1: Write the proportion equation
88,964.55 : 122,769.95 = 48,677.85 : x - Step 2: Convert to fraction form
88,964.55/122,769.95 = 48,677.85/x - Step 3: Cross multiply
88,964.55x = 122,769.95 × 48,677.85 - Step 4: Simplify right side
88,964.55x = 5,976,176,967.22 - Step 5: Solve for x
x = 5,976,176,967.22/88,964.55 - Step 6: Final answer
x = 67,174.81
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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.