Finding the Fourth Proportional to 96,439.70, 133,056.04 and 62,474.23
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Solution
The fourth proportional to 96,439.70, 133,056.04 and 62,474.23 is: 86,194.52
Step by Step Solution
- Step 1: Write the proportion equation
96,439.70 : 133,056.04 = 62,474.23 : x - Step 2: Convert to fraction form
96,439.70/133,056.04 = 62,474.23/x - Step 3: Cross multiply
96,439.70x = 133,056.04 × 62,474.23 - Step 4: Simplify right side
96,439.70x = 8,312,573,645.85 - Step 5: Solve for x
x = 8,312,573,645.85/96,439.70 - Step 6: Final answer
x = 86,194.52
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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.