Finding the Fourth Proportional to 84,892.04, 117,199.86 and 56,691.08
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Solution
The fourth proportional to 84,892.04, 117,199.86 and 56,691.08 is: 78,266.31
Step by Step Solution
- Step 1: Write the proportion equation
84,892.04 : 117,199.86 = 56,691.08 : x - Step 2: Convert to fraction form
84,892.04/117,199.86 = 56,691.08/x - Step 3: Cross multiply
84,892.04x = 117,199.86 × 56,691.08 - Step 4: Simplify right side
84,892.04x = 6,644,186,639.25 - Step 5: Solve for x
x = 6,644,186,639.25/84,892.04 - Step 6: Final answer
x = 78,266.31
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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.