Finding the Fourth Proportional to 84,992.12, 127,173.72 and 51,277.70
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Solution
The fourth proportional to 84,992.12, 127,173.72 and 51,277.70 is: 76,726.82
Step by Step Solution
- Step 1: Write the proportion equation
84,992.12 : 127,173.72 = 51,277.70 : x - Step 2: Convert to fraction form
84,992.12/127,173.72 = 51,277.70/x - Step 3: Cross multiply
84,992.12x = 127,173.72 × 51,277.70 - Step 4: Simplify right side
84,992.12x = 6,521,175,226.18 - Step 5: Solve for x
x = 6,521,175,226.18/84,992.12 - Step 6: Final answer
x = 76,726.82
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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.