Finding the Fourth Proportional to 89,798.37, 123,926.99 and 51,557.99
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Solution
The fourth proportional to 89,798.37, 123,926.99 and 51,557.99 is: 71,153.03
Step by Step Solution
- Step 1: Write the proportion equation
89,798.37 : 123,926.99 = 51,557.99 : x - Step 2: Convert to fraction form
89,798.37/123,926.99 = 51,557.99/x - Step 3: Cross multiply
89,798.37x = 123,926.99 × 51,557.99 - Step 4: Simplify right side
89,798.37x = 6,389,426,511.15 - Step 5: Solve for x
x = 6,389,426,511.15/89,798.37 - Step 6: Final answer
x = 71,153.03
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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.