Finding the Fourth Proportional to 97,586.70, 134,615.84 and 67,387.88
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Solution
The fourth proportional to 97,586.70, 134,615.84 and 67,387.88 is: 92,958.11
Step by Step Solution
- Step 1: Write the proportion equation
97,586.70 : 134,615.84 = 67,387.88 : x - Step 2: Convert to fraction form
97,586.70/134,615.84 = 67,387.88/x - Step 3: Cross multiply
97,586.70x = 134,615.84 × 67,387.88 - Step 4: Simplify right side
97,586.70x = 9,071,475,567.41 - Step 5: Solve for x
x = 9,071,475,567.41/97,586.70 - Step 6: Final answer
x = 92,958.11
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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.