Finding the Fourth Proportional to 115,497.36, 159,385.14 and 67,741.65
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Solution
The fourth proportional to 115,497.36, 159,385.14 and 67,741.65 is: 93,482.76
Step by Step Solution
- Step 1: Write the proportion equation
115,497.36 : 159,385.14 = 67,741.65 : x - Step 2: Convert to fraction form
115,497.36/159,385.14 = 67,741.65/x - Step 3: Cross multiply
115,497.36x = 159,385.14 × 67,741.65 - Step 4: Simplify right side
115,497.36x = 10,797,012,369.08 - Step 5: Solve for x
x = 10,797,012,369.08/115,497.36 - Step 6: Final answer
x = 93,482.76
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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.