Finding the Fourth Proportional to 89,416.08, 134,140.41 and 29,447.82
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Solution
The fourth proportional to 89,416.08, 134,140.41 and 29,447.82 is: 44,177.09
Step by Step Solution
- Step 1: Write the proportion equation
89,416.08 : 134,140.41 = 29,447.82 : x - Step 2: Convert to fraction form
89,416.08/134,140.41 = 29,447.82/x - Step 3: Cross multiply
89,416.08x = 134,140.41 × 29,447.82 - Step 4: Simplify right side
89,416.08x = 3,950,142,648.41 - Step 5: Solve for x
x = 3,950,142,648.41/89,416.08 - Step 6: Final answer
x = 44,177.09
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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.