Finding the Fourth Proportional to 97,925.24, 135,136.50 and 55,491.88
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Solution
The fourth proportional to 97,925.24, 135,136.50 and 55,491.88 is: 76,578.61
Step by Step Solution
- Step 1: Write the proportion equation
97,925.24 : 135,136.50 = 55,491.88 : x - Step 2: Convert to fraction form
97,925.24/135,136.50 = 55,491.88/x - Step 3: Cross multiply
97,925.24x = 135,136.50 × 55,491.88 - Step 4: Simplify right side
97,925.24x = 7,498,978,441.62 - Step 5: Solve for x
x = 7,498,978,441.62/97,925.24 - Step 6: Final answer
x = 76,578.61
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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.