Finding the Fourth Proportional to 75,134.96, 112,706.04 and 61,963.28
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Solution
The fourth proportional to 75,134.96, 112,706.04 and 61,963.28 is: 92,947.89
Step by Step Solution
- Step 1: Write the proportion equation
75,134.96 : 112,706.04 = 61,963.28 : x - Step 2: Convert to fraction form
75,134.96/112,706.04 = 61,963.28/x - Step 3: Cross multiply
75,134.96x = 112,706.04 × 61,963.28 - Step 4: Simplify right side
75,134.96x = 6,983,635,914.21 - Step 5: Solve for x
x = 6,983,635,914.21/75,134.96 - Step 6: Final answer
x = 92,947.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.