Finding the Fourth Proportional to 79,926.48, 110,301.21 and 43,630.08
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Solution
The fourth proportional to 79,926.48, 110,301.21 and 43,630.08 is: 60,210.96
Step by Step Solution
- Step 1: Write the proportion equation
79,926.48 : 110,301.21 = 43,630.08 : x - Step 2: Convert to fraction form
79,926.48/110,301.21 = 43,630.08/x - Step 3: Cross multiply
79,926.48x = 110,301.21 × 43,630.08 - Step 4: Simplify right side
79,926.48x = 4,812,449,955.82 - Step 5: Solve for x
x = 4,812,449,955.82/79,926.48 - Step 6: Final answer
x = 60,210.96
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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.