Finding the Fourth Proportional to 93,934.75, 129,638.92 and 53,654.53
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Solution
The fourth proportional to 93,934.75, 129,638.92 and 53,654.53 is: 74,048.37
Step by Step Solution
- Step 1: Write the proportion equation
93,934.75 : 129,638.92 = 53,654.53 : x - Step 2: Convert to fraction form
93,934.75/129,638.92 = 53,654.53/x - Step 3: Cross multiply
93,934.75x = 129,638.92 × 53,654.53 - Step 4: Simplify right side
93,934.75x = 6,955,715,322.31 - Step 5: Solve for x
x = 6,955,715,322.31/93,934.75 - Step 6: Final answer
x = 74,048.37
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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.