Finding the Fourth Proportional to 127,349.84, 175,748.28 and 70,761.08
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Solution
The fourth proportional to 127,349.84, 175,748.28 and 70,761.08 is: 97,653.35
Step by Step Solution
- Step 1: Write the proportion equation
127,349.84 : 175,748.28 = 70,761.08 : x - Step 2: Convert to fraction form
127,349.84/175,748.28 = 70,761.08/x - Step 3: Cross multiply
127,349.84x = 175,748.28 × 70,761.08 - Step 4: Simplify right side
127,349.84x = 12,436,138,100.94 - Step 5: Solve for x
x = 12,436,138,100.94/127,349.84 - Step 6: Final answer
x = 97,653.35
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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.