Finding the Fourth Proportional to 84,487.08, 116,584.26 and 50,488.80
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Solution
The fourth proportional to 84,487.08, 116,584.26 and 50,488.80 is: 69,669.82
Step by Step Solution
- Step 1: Write the proportion equation
84,487.08 : 116,584.26 = 50,488.80 : x - Step 2: Convert to fraction form
84,487.08/116,584.26 = 50,488.80/x - Step 3: Cross multiply
84,487.08x = 116,584.26 × 50,488.80 - Step 4: Simplify right side
84,487.08x = 5,886,199,386.29 - Step 5: Solve for x
x = 5,886,199,386.29/84,487.08 - Step 6: Final answer
x = 69,669.82
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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.