Finding the Fourth Proportional to 93,836.92, 129,490.10 and 51,387.26
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Solution
The fourth proportional to 93,836.92, 129,490.10 and 51,387.26 is: 70,911.76
Step by Step Solution
- Step 1: Write the proportion equation
93,836.92 : 129,490.10 = 51,387.26 : x - Step 2: Convert to fraction form
93,836.92/129,490.10 = 51,387.26/x - Step 3: Cross multiply
93,836.92x = 129,490.10 × 51,387.26 - Step 4: Simplify right side
93,836.92x = 6,654,141,436.13 - Step 5: Solve for x
x = 6,654,141,436.13/93,836.92 - Step 6: Final answer
x = 70,911.76
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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.