Finding the Fourth Proportional to 97,074.14, 134,003.65 and 65,261.49
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Solution
The fourth proportional to 97,074.14, 134,003.65 and 65,261.49 is: 90,088.65
Step by Step Solution
- Step 1: Write the proportion equation
97,074.14 : 134,003.65 = 65,261.49 : x - Step 2: Convert to fraction form
97,074.14/134,003.65 = 65,261.49/x - Step 3: Cross multiply
97,074.14x = 134,003.65 × 65,261.49 - Step 4: Simplify right side
97,074.14x = 8,745,277,864.44 - Step 5: Solve for x
x = 8,745,277,864.44/97,074.14 - Step 6: Final answer
x = 90,088.65
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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.