Finding the Fourth Proportional to 107,531.84, 161,343.84 and 37,372.88
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Solution
The fourth proportional to 107,531.84, 161,343.84 and 37,372.88 is: 56,075.34
Step by Step Solution
- Step 1: Write the proportion equation
107,531.84 : 161,343.84 = 37,372.88 : x - Step 2: Convert to fraction form
107,531.84/161,343.84 = 37,372.88/x - Step 3: Cross multiply
107,531.84x = 161,343.84 × 37,372.88 - Step 4: Simplify right side
107,531.84x = 6,029,883,971.06 - Step 5: Solve for x
x = 6,029,883,971.06/107,531.84 - Step 6: Final answer
x = 56,075.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.