Finding the Fourth Proportional to 80,750.19, 121,036.08 and 33,339.15
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Solution
The fourth proportional to 80,750.19, 121,036.08 and 33,339.15 is: 49,971.90
Step by Step Solution
- Step 1: Write the proportion equation
80,750.19 : 121,036.08 = 33,339.15 : x - Step 2: Convert to fraction form
80,750.19/121,036.08 = 33,339.15/x - Step 3: Cross multiply
80,750.19x = 121,036.08 × 33,339.15 - Step 4: Simplify right side
80,750.19x = 4,035,240,026.53 - Step 5: Solve for x
x = 4,035,240,026.53/80,750.19 - Step 6: Final answer
x = 49,971.90
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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.