Finding the Fourth Proportional to 104,625.05, 144,376.44 and 56,877.98
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Solution
The fourth proportional to 104,625.05, 144,376.44 and 56,877.98 is: 78,488.28
Step by Step Solution
- Step 1: Write the proportion equation
104,625.05 : 144,376.44 = 56,877.98 : x - Step 2: Convert to fraction form
104,625.05/144,376.44 = 56,877.98/x - Step 3: Cross multiply
104,625.05x = 144,376.44 × 56,877.98 - Step 4: Simplify right side
104,625.05x = 8,211,839,544.91 - Step 5: Solve for x
x = 8,211,839,544.91/104,625.05 - Step 6: Final answer
x = 78,488.28
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1.5x scale
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.