Finding the Fourth Proportional to 97,647.92, 134,747.74 and 54,619.95
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Solution
The fourth proportional to 97,647.92, 134,747.74 and 54,619.95 is: 75,371.96
Step by Step Solution
- Step 1: Write the proportion equation
97,647.92 : 134,747.74 = 54,619.95 : x - Step 2: Convert to fraction form
97,647.92/134,747.74 = 54,619.95/x - Step 3: Cross multiply
97,647.92x = 134,747.74 × 54,619.95 - Step 4: Simplify right side
97,647.92x = 7,359,914,821.41 - Step 5: Solve for x
x = 7,359,914,821.41/97,647.92 - Step 6: Final answer
x = 75,371.96
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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.