Finding the Fourth Proportional to 92,447.84, 127,649.04 and 76,623.68
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Solution
The fourth proportional to 92,447.84, 127,649.04 and 76,623.68 is: 105,799.54
Step by Step Solution
- Step 1: Write the proportion equation
92,447.84 : 127,649.04 = 76,623.68 : x - Step 2: Convert to fraction form
92,447.84/127,649.04 = 76,623.68/x - Step 3: Cross multiply
92,447.84x = 127,649.04 × 76,623.68 - Step 4: Simplify right side
92,447.84x = 9,780,939,193.27 - Step 5: Solve for x
x = 9,780,939,193.27/92,447.84 - Step 6: Final answer
x = 105,799.54
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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.