Finding the Fourth Proportional to 104,620.58, 144,377.34 and 56,874.02
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Solution
The fourth proportional to 104,620.58, 144,377.34 and 56,874.02 is: 78,486.66
Step by Step Solution
- Step 1: Write the proportion equation
104,620.58 : 144,377.34 = 56,874.02 : x - Step 2: Convert to fraction form
104,620.58/144,377.34 = 56,874.02/x - Step 3: Cross multiply
104,620.58x = 144,377.34 × 56,874.02 - Step 4: Simplify right side
104,620.58x = 8,211,319,722.71 - Step 5: Solve for x
x = 8,211,319,722.71/104,620.58 - Step 6: Final answer
x = 78,486.66
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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.