Finding the Fourth Proportional to 104,451.73, 144,145.14 and 56,705.08
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Solution
The fourth proportional to 104,451.73, 144,145.14 and 56,705.08 is: 78,253.96
Step by Step Solution
- Step 1: Write the proportion equation
104,451.73 : 144,145.14 = 56,705.08 : x - Step 2: Convert to fraction form
104,451.73/144,145.14 = 56,705.08/x - Step 3: Cross multiply
104,451.73x = 144,145.14 × 56,705.08 - Step 4: Simplify right side
104,451.73x = 8,173,761,695.31 - Step 5: Solve for x
x = 8,173,761,695.31/104,451.73 - Step 6: Final answer
x = 78,253.96
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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.