Finding the Fourth Proportional to 98,095.75, 135,372.14 and 53,383.75
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Solution
The fourth proportional to 98,095.75, 135,372.14 and 53,383.75 is: 73,669.58
Step by Step Solution
- Step 1: Write the proportion equation
98,095.75 : 135,372.14 = 53,383.75 : x - Step 2: Convert to fraction form
98,095.75/135,372.14 = 53,383.75/x - Step 3: Cross multiply
98,095.75x = 135,372.14 × 53,383.75 - Step 4: Simplify right side
98,095.75x = 7,226,672,478.73 - Step 5: Solve for x
x = 7,226,672,478.73/98,095.75 - Step 6: Final answer
x = 73,669.58
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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.