Finding the Fourth Proportional to 96,139.65, 144,083.99 and 69,575.09
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Solution
The fourth proportional to 96,139.65, 144,083.99 and 69,575.09 is: 104,271.82
Step by Step Solution
- Step 1: Write the proportion equation
96,139.65 : 144,083.99 = 69,575.09 : x - Step 2: Convert to fraction form
96,139.65/144,083.99 = 69,575.09/x - Step 3: Cross multiply
96,139.65x = 144,083.99 × 69,575.09 - Step 4: Simplify right side
96,139.65x = 10,024,656,571.81 - Step 5: Solve for x
x = 10,024,656,571.81/96,139.65 - Step 6: Final answer
x = 104,271.82
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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.