Finding the Fourth Proportional to 96,344.06, 133,000.26 and 72,479.84
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Solution
The fourth proportional to 96,344.06, 133,000.26 and 72,479.84 is: 100,056.38
Step by Step Solution
- Step 1: Write the proportion equation
96,344.06 : 133,000.26 = 72,479.84 : x - Step 2: Convert to fraction form
96,344.06/133,000.26 = 72,479.84/x - Step 3: Cross multiply
96,344.06x = 133,000.26 × 72,479.84 - Step 4: Simplify right side
96,344.06x = 9,639,837,564.76 - Step 5: Solve for x
x = 9,639,837,564.76/96,344.06 - Step 6: Final answer
x = 100,056.38
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1.5x scale
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.