Finding the Fourth Proportional to 107,769.36, 148,715.84 and 59,369.70
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Solution
The fourth proportional to 107,769.36, 148,715.84 and 59,369.70 is: 81,926.95
Step by Step Solution
- Step 1: Write the proportion equation
107,769.36 : 148,715.84 = 59,369.70 : x - Step 2: Convert to fraction form
107,769.36/148,715.84 = 59,369.70/x - Step 3: Cross multiply
107,769.36x = 148,715.84 × 59,369.70 - Step 4: Simplify right side
107,769.36x = 8,829,214,806.05 - Step 5: Solve for x
x = 8,829,214,806.05/107,769.36 - Step 6: Final answer
x = 81,926.95
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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.