Finding the Fourth Proportional to 79,208.11, 118,529.04 and 68,800.75
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Solution
The fourth proportional to 79,208.11, 118,529.04 and 68,800.75 is: 102,955.20
Step by Step Solution
- Step 1: Write the proportion equation
79,208.11 : 118,529.04 = 68,800.75 : x - Step 2: Convert to fraction form
79,208.11/118,529.04 = 68,800.75/x - Step 3: Cross multiply
79,208.11x = 118,529.04 × 68,800.75 - Step 4: Simplify right side
79,208.11x = 8,154,886,848.78 - Step 5: Solve for x
x = 8,154,886,848.78/79,208.11 - Step 6: Final answer
x = 102,955.20
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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.