Finding the Fourth Proportional to 84,486.14, 116,616.84 and 48,700.08
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Solution
The fourth proportional to 84,486.14, 116,616.84 and 48,700.08 is: 67,221.08
Step by Step Solution
- Step 1: Write the proportion equation
84,486.14 : 116,616.84 = 48,700.08 : x - Step 2: Convert to fraction form
84,486.14/116,616.84 = 48,700.08/x - Step 3: Cross multiply
84,486.14x = 116,616.84 × 48,700.08 - Step 4: Simplify right side
84,486.14x = 5,679,249,437.35 - Step 5: Solve for x
x = 5,679,249,437.35/84,486.14 - Step 6: Final answer
x = 67,221.08
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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.