Finding the Fourth Proportional to 70,591.98, 105,862.68 and 25,601.97
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Solution
The fourth proportional to 70,591.98, 105,862.68 and 25,601.97 is: 38,393.78
Step by Step Solution
- Step 1: Write the proportion equation
70,591.98 : 105,862.68 = 25,601.97 : x - Step 2: Convert to fraction form
70,591.98/105,862.68 = 25,601.97/x - Step 3: Cross multiply
70,591.98x = 105,862.68 × 25,601.97 - Step 4: Simplify right side
70,591.98x = 2,710,293,157.48 - Step 5: Solve for x
x = 2,710,293,157.48/70,591.98 - Step 6: Final answer
x = 38,393.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.