Finding the Fourth Proportional to 83,371.23, 115,058.88 and 47,553.03
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Solution
The fourth proportional to 83,371.23, 115,058.88 and 47,553.03 is: 65,626.94
Step by Step Solution
- Step 1: Write the proportion equation
83,371.23 : 115,058.88 = 47,553.03 : x - Step 2: Convert to fraction form
83,371.23/115,058.88 = 47,553.03/x - Step 3: Cross multiply
83,371.23x = 115,058.88 × 47,553.03 - Step 4: Simplify right side
83,371.23x = 5,471,398,372.41 - Step 5: Solve for x
x = 5,471,398,372.41/83,371.23 - Step 6: Final answer
x = 65,626.94
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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.