Finding the Fourth Proportional to 97,965.09, 135,193.30 and 54,954.11
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Solution
The fourth proportional to 97,965.09, 135,193.30 and 54,954.11 is: 75,837.50
Step by Step Solution
- Step 1: Write the proportion equation
97,965.09 : 135,193.30 = 54,954.11 : x - Step 2: Convert to fraction form
97,965.09/135,193.30 = 54,954.11/x - Step 3: Cross multiply
97,965.09x = 135,193.30 × 54,954.11 - Step 4: Simplify right side
97,965.09x = 7,429,427,680.06 - Step 5: Solve for x
x = 7,429,427,680.06/97,965.09 - Step 6: Final answer
x = 75,837.50
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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.