Finding the Fourth Proportional to 97,351.44, 134,344.80 and 54,909.84
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Solution
The fourth proportional to 97,351.44, 134,344.80 and 54,909.84 is: 75,775.47
Step by Step Solution
- Step 1: Write the proportion equation
97,351.44 : 134,344.80 = 54,909.84 : x - Step 2: Convert to fraction form
97,351.44/134,344.80 = 54,909.84/x - Step 3: Cross multiply
97,351.44x = 134,344.80 × 54,909.84 - Step 4: Simplify right side
97,351.44x = 7,376,851,472.83 - Step 5: Solve for x
x = 7,376,851,472.83/97,351.44 - Step 6: Final answer
x = 75,775.47
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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.