Finding the Fourth Proportional to 69,575.70, 104,176.57 and 57,244.53
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Solution
The fourth proportional to 69,575.70, 104,176.57 and 57,244.53 is: 85,712.95
Step by Step Solution
- Step 1: Write the proportion equation
69,575.70 : 104,176.57 = 57,244.53 : x - Step 2: Convert to fraction form
69,575.70/104,176.57 = 57,244.53/x - Step 3: Cross multiply
69,575.70x = 104,176.57 × 57,244.53 - Step 4: Simplify right side
69,575.70x = 5,963,538,786.66 - Step 5: Solve for x
x = 5,963,538,786.66/69,575.70 - Step 6: Final answer
x = 85,712.95
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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.