Finding the Fourth Proportional to 102,027.84, 140,750.64 and 68,027.28
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Solution
The fourth proportional to 102,027.84, 140,750.64 and 68,027.28 is: 93,845.79
Step by Step Solution
- Step 1: Write the proportion equation
102,027.84 : 140,750.64 = 68,027.28 : x - Step 2: Convert to fraction form
102,027.84/140,750.64 = 68,027.28/x - Step 3: Cross multiply
102,027.84x = 140,750.64 × 68,027.28 - Step 4: Simplify right side
102,027.84x = 9,574,883,197.46 - Step 5: Solve for x
x = 9,574,883,197.46/102,027.84 - Step 6: Final answer
x = 93,845.79
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1.5x scale
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.