Finding the Fourth Proportional to 79,774.68, 110,088.57 and 43,476.06
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Solution
The fourth proportional to 79,774.68, 110,088.57 and 43,476.06 is: 59,996.70
Step by Step Solution
- Step 1: Write the proportion equation
79,774.68 : 110,088.57 = 43,476.06 : x - Step 2: Convert to fraction form
79,774.68/110,088.57 = 43,476.06/x - Step 3: Cross multiply
79,774.68x = 110,088.57 × 43,476.06 - Step 4: Simplify right side
79,774.68x = 4,786,217,274.63 - Step 5: Solve for x
x = 4,786,217,274.63/79,774.68 - Step 6: Final answer
x = 59,996.70
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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.