Finding the Fourth Proportional to 93,863.18, 140,792.34 and 31,533.68
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Solution
The fourth proportional to 93,863.18, 140,792.34 and 31,533.68 is: 47,299.70
Step by Step Solution
- Step 1: Write the proportion equation
93,863.18 : 140,792.34 = 31,533.68 : x - Step 2: Convert to fraction form
93,863.18/140,792.34 = 31,533.68/x - Step 3: Cross multiply
93,863.18x = 140,792.34 × 31,533.68 - Step 4: Simplify right side
93,863.18x = 4,439,700,596.01 - Step 5: Solve for x
x = 4,439,700,596.01/93,863.18 - Step 6: Final answer
x = 47,299.70
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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.