Finding the Fourth Proportional to 91,994.64, 138,006.36 and 29,671.44
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Solution
The fourth proportional to 91,994.64, 138,006.36 and 29,671.44 is: 44,511.80
Step by Step Solution
- Step 1: Write the proportion equation
91,994.64 : 138,006.36 = 29,671.44 : x - Step 2: Convert to fraction form
91,994.64/138,006.36 = 29,671.44/x - Step 3: Cross multiply
91,994.64x = 138,006.36 × 29,671.44 - Step 4: Simplify right side
91,994.64x = 4,094,847,430.36 - Step 5: Solve for x
x = 4,094,847,430.36/91,994.64 - Step 6: Final answer
x = 44,511.80
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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.