Finding the Fourth Proportional to 96,977.64, 133,829.80 and 53,958.94
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Solution
The fourth proportional to 96,977.64, 133,829.80 and 53,958.94 is: 74,463.70
Step by Step Solution
- Step 1: Write the proportion equation
96,977.64 : 133,829.80 = 53,958.94 : x - Step 2: Convert to fraction form
96,977.64/133,829.80 = 53,958.94/x - Step 3: Cross multiply
96,977.64x = 133,829.80 × 53,958.94 - Step 4: Simplify right side
96,977.64x = 7,221,313,678.94 - Step 5: Solve for x
x = 7,221,313,678.94/96,977.64 - Step 6: Final answer
x = 74,463.70
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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.