Finding the Fourth Proportional to 84,725.74, 116,921.56 and 46,999.98
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Solution
The fourth proportional to 84,725.74, 116,921.56 and 46,999.98 is: 64,859.99
Step by Step Solution
- Step 1: Write the proportion equation
84,725.74 : 116,921.56 = 46,999.98 : x - Step 2: Convert to fraction form
84,725.74/116,921.56 = 46,999.98/x - Step 3: Cross multiply
84,725.74x = 116,921.56 × 46,999.98 - Step 4: Simplify right side
84,725.74x = 5,495,310,981.57 - Step 5: Solve for x
x = 5,495,310,981.57/84,725.74 - Step 6: Final answer
x = 64,859.99
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1.5x scale
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.