Finding the Fourth Proportional to 84,306.24, 116,398.08 and 52,519.68
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Solution
The fourth proportional to 84,306.24, 116,398.08 and 52,519.68 is: 72,511.71
Step by Step Solution
- Step 1: Write the proportion equation
84,306.24 : 116,398.08 = 52,519.68 : x - Step 2: Convert to fraction form
84,306.24/116,398.08 = 52,519.68/x - Step 3: Cross multiply
84,306.24x = 116,398.08 × 52,519.68 - Step 4: Simplify right side
84,306.24x = 6,113,189,914.21 - Step 5: Solve for x
x = 6,113,189,914.21/84,306.24 - Step 6: Final answer
x = 72,511.71
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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.