Finding the Fourth Proportional to 105,056.80, 144,985.23 and 59,738.99
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Solution
The fourth proportional to 105,056.80, 144,985.23 and 59,738.99 is: 82,443.70
Step by Step Solution
- Step 1: Write the proportion equation
105,056.80 : 144,985.23 = 59,738.99 : x - Step 2: Convert to fraction form
105,056.80/144,985.23 = 59,738.99/x - Step 3: Cross multiply
105,056.80x = 144,985.23 × 59,738.99 - Step 4: Simplify right side
105,056.80x = 8,661,270,906.42 - Step 5: Solve for x
x = 8,661,270,906.42/105,056.80 - Step 6: Final answer
x = 82,443.70
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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.