Finding the Fourth Proportional to 69,754.44, 104,631.64 and 57,392.48
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Solution
The fourth proportional to 69,754.44, 104,631.64 and 57,392.48 is: 86,088.70
Step by Step Solution
- Step 1: Write the proportion equation
69,754.44 : 104,631.64 = 57,392.48 : x - Step 2: Convert to fraction form
69,754.44/104,631.64 = 57,392.48/x - Step 3: Cross multiply
69,754.44x = 104,631.64 × 57,392.48 - Step 4: Simplify right side
69,754.44x = 6,005,069,306.07 - Step 5: Solve for x
x = 6,005,069,306.07/69,754.44 - Step 6: Final answer
x = 86,088.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.