Finding the Fourth Proportional to 89,282.66, 123,197.05 and 53,465.06
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Solution
The fourth proportional to 89,282.66, 123,197.05 and 53,465.06 is: 73,773.99
Step by Step Solution
- Step 1: Write the proportion equation
89,282.66 : 123,197.05 = 53,465.06 : x - Step 2: Convert to fraction form
89,282.66/123,197.05 = 53,465.06/x - Step 3: Cross multiply
89,282.66x = 123,197.05 × 53,465.06 - Step 4: Simplify right side
89,282.66x = 6,586,738,044.90 - Step 5: Solve for x
x = 6,586,738,044.90/89,282.66 - Step 6: Final answer
x = 73,773.99
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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.