Finding the Fourth Proportional to 87,166.22, 120,282.05 and 48,918.02
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Solution
The fourth proportional to 87,166.22, 120,282.05 and 48,918.02 is: 67,502.75
Step by Step Solution
- Step 1: Write the proportion equation
87,166.22 : 120,282.05 = 48,918.02 : x - Step 2: Convert to fraction form
87,166.22/120,282.05 = 48,918.02/x - Step 3: Cross multiply
87,166.22x = 120,282.05 × 48,918.02 - Step 4: Simplify right side
87,166.22x = 5,883,959,482.95 - Step 5: Solve for x
x = 5,883,959,482.95/87,166.22 - Step 6: Final answer
x = 67,502.75
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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.