Finding the Fourth Proportional to 73,455.06, 110,117.98 and 29,112.94
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Solution
The fourth proportional to 73,455.06, 110,117.98 and 29,112.94 is: 43,643.81
Step by Step Solution
- Step 1: Write the proportion equation
73,455.06 : 110,117.98 = 29,112.94 : x - Step 2: Convert to fraction form
73,455.06/110,117.98 = 29,112.94/x - Step 3: Cross multiply
73,455.06x = 110,117.98 × 29,112.94 - Step 4: Simplify right side
73,455.06x = 3,205,858,318.70 - Step 5: Solve for x
x = 3,205,858,318.70/73,455.06 - Step 6: Final answer
x = 43,643.81
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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.