Finding the Fourth Proportional to 79,502.36, 109,597.68 and 55,554.68
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Solution
The fourth proportional to 79,502.36, 109,597.68 and 55,554.68 is: 76,584.70
Step by Step Solution
- Step 1: Write the proportion equation
79,502.36 : 109,597.68 = 55,554.68 : x - Step 2: Convert to fraction form
79,502.36/109,597.68 = 55,554.68/x - Step 3: Cross multiply
79,502.36x = 109,597.68 × 55,554.68 - Step 4: Simplify right side
79,502.36x = 6,088,664,041.14 - Step 5: Solve for x
x = 6,088,664,041.14/79,502.36 - Step 6: Final answer
x = 76,584.70
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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.