Finding the Fourth Proportional to 93,861.25, 129,528.53 and 56,135.50
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Solution
The fourth proportional to 93,861.25, 129,528.53 and 56,135.50 is: 77,466.99
Step by Step Solution
- Step 1: Write the proportion equation
93,861.25 : 129,528.53 = 56,135.50 : x - Step 2: Convert to fraction form
93,861.25/129,528.53 = 56,135.50/x - Step 3: Cross multiply
93,861.25x = 129,528.53 × 56,135.50 - Step 4: Simplify right side
93,861.25x = 7,271,148,795.82 - Step 5: Solve for x
x = 7,271,148,795.82/93,861.25 - Step 6: Final answer
x = 77,466.99
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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.