Finding the Fourth Proportional to 96,389.28, 133,045.20 and 58,731.84
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Solution
The fourth proportional to 96,389.28, 133,045.20 and 58,731.84 is: 81,067.00
Step by Step Solution
- Step 1: Write the proportion equation
96,389.28 : 133,045.20 = 58,731.84 : x - Step 2: Convert to fraction form
96,389.28/133,045.20 = 58,731.84/x - Step 3: Cross multiply
96,389.28x = 133,045.20 × 58,731.84 - Step 4: Simplify right side
96,389.28x = 7,813,989,399.17 - Step 5: Solve for x
x = 7,813,989,399.17/96,389.28 - Step 6: Final answer
x = 81,067.00
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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.