Finding the Fourth Proportional to 94,931.19, 131,000.76 and 51,909.53
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Solution
The fourth proportional to 94,931.19, 131,000.76 and 51,909.53 is: 71,632.80
Step by Step Solution
- Step 1: Write the proportion equation
94,931.19 : 131,000.76 = 51,909.53 : x - Step 2: Convert to fraction form
94,931.19/131,000.76 = 51,909.53/x - Step 3: Cross multiply
94,931.19x = 131,000.76 × 51,909.53 - Step 4: Simplify right side
94,931.19x = 6,800,187,226.24 - Step 5: Solve for x
x = 6,800,187,226.24/94,931.19 - Step 6: Final answer
x = 71,632.80
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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.