Finding the Fourth Proportional to 97,551.14, 134,459.49 and 65,274.20
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Solution
The fourth proportional to 97,551.14, 134,459.49 and 65,274.20 is: 89,970.62
Step by Step Solution
- Step 1: Write the proportion equation
97,551.14 : 134,459.49 = 65,274.20 : x - Step 2: Convert to fraction form
97,551.14/134,459.49 = 65,274.20/x - Step 3: Cross multiply
97,551.14x = 134,459.49 × 65,274.20 - Step 4: Simplify right side
97,551.14x = 8,776,736,475.20 - Step 5: Solve for x
x = 8,776,736,475.20/97,551.14 - Step 6: Final answer
x = 89,970.62
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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.