Finding the Fourth Proportional to 96,475.70, 144,713.55 and 84,811.70
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Solution
The fourth proportional to 96,475.70, 144,713.55 and 84,811.70 is: 127,217.55
Step by Step Solution
- Step 1: Write the proportion equation
96,475.70 : 144,713.55 = 84,811.70 : x - Step 2: Convert to fraction form
96,475.70/144,713.55 = 84,811.70/x - Step 3: Cross multiply
96,475.70x = 144,713.55 × 84,811.70 - Step 4: Simplify right side
96,475.70x = 12,273,402,188.54 - Step 5: Solve for x
x = 12,273,402,188.54/96,475.70 - Step 6: Final answer
x = 127,217.55
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1.5x scale
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.