Finding the Fourth Proportional to 96,747.28, 133,519.36 and 56,463.68
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Solution
The fourth proportional to 96,747.28, 133,519.36 and 56,463.68 is: 77,924.61
Step by Step Solution
- Step 1: Write the proportion equation
96,747.28 : 133,519.36 = 56,463.68 : x - Step 2: Convert to fraction form
96,747.28/133,519.36 = 56,463.68/x - Step 3: Cross multiply
96,747.28x = 133,519.36 × 56,463.68 - Step 4: Simplify right side
96,747.28x = 7,538,994,416.84 - Step 5: Solve for x
x = 7,538,994,416.84/96,747.28 - Step 6: Final answer
x = 77,924.61
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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.