Finding the Fourth Proportional to 89,178.84, 123,068.16 and 48,894.84
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Solution
The fourth proportional to 89,178.84, 123,068.16 and 48,894.84 is: 67,475.63
Step by Step Solution
- Step 1: Write the proportion equation
89,178.84 : 123,068.16 = 48,894.84 : x - Step 2: Convert to fraction form
89,178.84/123,068.16 = 48,894.84/x - Step 3: Cross multiply
89,178.84x = 123,068.16 × 48,894.84 - Step 4: Simplify right side
89,178.84x = 6,017,397,992.29 - Step 5: Solve for x
x = 6,017,397,992.29/89,178.84 - Step 6: Final answer
x = 67,475.63
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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.