Finding the Fourth Proportional to 127,115.02, 175,420.28 and 69,750.62
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Solution
The fourth proportional to 127,115.02, 175,420.28 and 69,750.62 is: 96,256.71
Step by Step Solution
- Step 1: Write the proportion equation
127,115.02 : 175,420.28 = 69,750.62 : x - Step 2: Convert to fraction form
127,115.02/175,420.28 = 69,750.62/x - Step 3: Cross multiply
127,115.02x = 175,420.28 × 69,750.62 - Step 4: Simplify right side
127,115.02x = 12,235,673,245.67 - Step 5: Solve for x
x = 12,235,673,245.67/127,115.02 - Step 6: Final answer
x = 96,256.71
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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.