Finding the Fourth Proportional to 97,660.62, 134,697.74 and 70,891.74
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Solution
The fourth proportional to 97,660.62, 134,697.74 and 70,891.74 is: 97,776.94
Step by Step Solution
- Step 1: Write the proportion equation
97,660.62 : 134,697.74 = 70,891.74 : x - Step 2: Convert to fraction form
97,660.62/134,697.74 = 70,891.74/x - Step 3: Cross multiply
97,660.62x = 134,697.74 × 70,891.74 - Step 4: Simplify right side
97,660.62x = 9,548,956,808.21 - Step 5: Solve for x
x = 9,548,956,808.21/97,660.62 - Step 6: Final answer
x = 97,776.94
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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.