Finding the Fourth Proportional to 104,060.28, 143,603.18 and 56,313.62
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Solution
The fourth proportional to 104,060.28, 143,603.18 and 56,313.62 is: 77,712.79
Step by Step Solution
- Step 1: Write the proportion equation
104,060.28 : 143,603.18 = 56,313.62 : x - Step 2: Convert to fraction form
104,060.28/143,603.18 = 56,313.62/x - Step 3: Cross multiply
104,060.28x = 143,603.18 × 56,313.62 - Step 4: Simplify right side
104,060.28x = 8,086,814,909.31 - Step 5: Solve for x
x = 8,086,814,909.31/104,060.28 - Step 6: Final answer
x = 77,712.79
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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.