Finding the Fourth Proportional to 95,347.55, 131,628.62 and 67,178.99
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Solution
The fourth proportional to 95,347.55, 131,628.62 and 67,178.99 is: 92,741.53
Step by Step Solution
- Step 1: Write the proportion equation
95,347.55 : 131,628.62 = 67,178.99 : x - Step 2: Convert to fraction form
95,347.55/131,628.62 = 67,178.99/x - Step 3: Cross multiply
95,347.55x = 131,628.62 × 67,178.99 - Step 4: Simplify right side
95,347.55x = 8,842,678,243.71 - Step 5: Solve for x
x = 8,842,678,243.71/95,347.55 - Step 6: Final answer
x = 92,741.53
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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.