Finding the Fourth Proportional to 89,865.60, 124,039.20 and 52,152
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Solution
The fourth proportional to 89,865.60, 124,039.20 and 52,152 is: 71,984.08
Step by Step Solution
- Step 1: Write the proportion equation
89,865.60 : 124,039.20 = 52,152 : x - Step 2: Convert to fraction form
89,865.60/124,039.20 = 52,152/x - Step 3: Cross multiply
89,865.60x = 124,039.20 × 52,152 - Step 4: Simplify right side
89,865.60x = 6,468,892,358.40 - Step 5: Solve for x
x = 6,468,892,358.40/89,865.60 - Step 6: Final answer
x = 71,984.08
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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.