Finding the Fourth Proportional to 76,956.98, 106,244.70 and 58,664.06
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Solution
The fourth proportional to 76,956.98, 106,244.70 and 58,664.06 is: 80,990.00
Step by Step Solution
- Step 1: Write the proportion equation
76,956.98 : 106,244.70 = 58,664.06 : x - Step 2: Convert to fraction form
76,956.98/106,244.70 = 58,664.06/x - Step 3: Cross multiply
76,956.98x = 106,244.70 × 58,664.06 - Step 4: Simplify right side
76,956.98x = 6,232,745,455.48 - Step 5: Solve for x
x = 6,232,745,455.48/76,956.98 - Step 6: Final answer
x = 80,990.00
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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.