Finding the Fourth Proportional to 84,502.16, 116,507.12 and 54,234.08
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Solution
The fourth proportional to 84,502.16, 116,507.12 and 54,234.08 is: 74,775.09
Step by Step Solution
- Step 1: Write the proportion equation
84,502.16 : 116,507.12 = 54,234.08 : x - Step 2: Convert to fraction form
84,502.16/116,507.12 = 54,234.08/x - Step 3: Cross multiply
84,502.16x = 116,507.12 × 54,234.08 - Step 4: Simplify right side
84,502.16x = 6,318,656,466.65 - Step 5: Solve for x
x = 6,318,656,466.65/84,502.16 - Step 6: Final answer
x = 74,775.09
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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.