Finding the Fourth Proportional to 76,932.60, 115,409.70 and 24,336.60
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Solution
The fourth proportional to 76,932.60, 115,409.70 and 24,336.60 is: 36,508.32
Step by Step Solution
- Step 1: Write the proportion equation
76,932.60 : 115,409.70 = 24,336.60 : x - Step 2: Convert to fraction form
76,932.60/115,409.70 = 24,336.60/x - Step 3: Cross multiply
76,932.60x = 115,409.70 × 24,336.60 - Step 4: Simplify right side
76,932.60x = 2,808,679,705.02 - Step 5: Solve for x
x = 2,808,679,705.02/76,932.60 - Step 6: Final answer
x = 36,508.32
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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.