Finding the Fourth Proportional to 79,998.94, 119,958.07 and 26,671.99
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Solution
The fourth proportional to 79,998.94, 119,958.07 and 26,671.99 is: 39,994.54
Step by Step Solution
- Step 1: Write the proportion equation
79,998.94 : 119,958.07 = 26,671.99 : x - Step 2: Convert to fraction form
79,998.94/119,958.07 = 26,671.99/x - Step 3: Cross multiply
79,998.94x = 119,958.07 × 26,671.99 - Step 4: Simplify right side
79,998.94x = 3,199,520,443.46 - Step 5: Solve for x
x = 3,199,520,443.46/79,998.94 - Step 6: Final answer
x = 39,994.54
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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.