Finding the Fourth Proportional to 79,717.57, 110,010.35 and 43,907.67
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Solution
The fourth proportional to 79,717.57, 110,010.35 and 43,907.67 is: 60,592.64
Step by Step Solution
- Step 1: Write the proportion equation
79,717.57 : 110,010.35 = 43,907.67 : x - Step 2: Convert to fraction form
79,717.57/110,010.35 = 43,907.67/x - Step 3: Cross multiply
79,717.57x = 110,010.35 × 43,907.67 - Step 4: Simplify right side
79,717.57x = 4,830,298,254.15 - Step 5: Solve for x
x = 4,830,298,254.15/79,717.57 - Step 6: Final answer
x = 60,592.64
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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.