Finding the Fourth Proportional to 84,719.68, 116,927.12 and 47,006.08
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Solution
The fourth proportional to 84,719.68, 116,927.12 and 47,006.08 is: 64,876.14
Step by Step Solution
- Step 1: Write the proportion equation
84,719.68 : 116,927.12 = 47,006.08 : x - Step 2: Convert to fraction form
84,719.68/116,927.12 = 47,006.08/x - Step 3: Cross multiply
84,719.68x = 116,927.12 × 47,006.08 - Step 4: Simplify right side
84,719.68x = 5,496,285,556.89 - Step 5: Solve for x
x = 5,496,285,556.89/84,719.68 - Step 6: Final answer
x = 64,876.14
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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.