Finding the Fourth Proportional to 79,881.62, 110,216.97 and 48,829.03
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Solution
The fourth proportional to 79,881.62, 110,216.97 and 48,829.03 is: 67,372.04
Step by Step Solution
- Step 1: Write the proportion equation
79,881.62 : 110,216.97 = 48,829.03 : x - Step 2: Convert to fraction form
79,881.62/110,216.97 = 48,829.03/x - Step 3: Cross multiply
79,881.62x = 110,216.97 × 48,829.03 - Step 4: Simplify right side
79,881.62x = 5,381,787,459.10 - Step 5: Solve for x
x = 5,381,787,459.10/79,881.62 - Step 6: Final answer
x = 67,372.04
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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.