Finding the Fourth Proportional to 84,875.40, 117,130.26 and 50,889.42
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Solution
The fourth proportional to 84,875.40, 117,130.26 and 50,889.42 is: 70,228.72
Step by Step Solution
- Step 1: Write the proportion equation
84,875.40 : 117,130.26 = 50,889.42 : x - Step 2: Convert to fraction form
84,875.40/117,130.26 = 50,889.42/x - Step 3: Cross multiply
84,875.40x = 117,130.26 × 50,889.42 - Step 4: Simplify right side
84,875.40x = 5,960,690,995.85 - Step 5: Solve for x
x = 5,960,690,995.85/84,875.40 - Step 6: Final answer
x = 70,228.72
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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.