Finding the Fourth Proportional to 94,046.56, 129,774.80 and 56,319.84
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Solution
The fourth proportional to 94,046.56, 129,774.80 and 56,319.84 is: 77,715.72
Step by Step Solution
- Step 1: Write the proportion equation
94,046.56 : 129,774.80 = 56,319.84 : x - Step 2: Convert to fraction form
94,046.56/129,774.80 = 56,319.84/x - Step 3: Cross multiply
94,046.56x = 129,774.80 × 56,319.84 - Step 4: Simplify right side
94,046.56x = 7,308,895,972.03 - Step 5: Solve for x
x = 7,308,895,972.03/94,046.56 - Step 6: Final answer
x = 77,715.72
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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.