Finding the Fourth Proportional to 115,625.39, 159,588.75 and 70,293.75
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Solution
The fourth proportional to 115,625.39, 159,588.75 and 70,293.75 is: 97,021.01
Step by Step Solution
- Step 1: Write the proportion equation
115,625.39 : 159,588.75 = 70,293.75 : x - Step 2: Convert to fraction form
115,625.39/159,588.75 = 70,293.75/x - Step 3: Cross multiply
115,625.39x = 159,588.75 × 70,293.75 - Step 4: Simplify right side
115,625.39x = 11,218,091,695.31 - Step 5: Solve for x
x = 11,218,091,695.31/115,625.39 - Step 6: Final answer
x = 97,021.01
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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.