Finding the Fourth Proportional to 104,611.24, 144,363.84 and 56,864.74
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Solution
The fourth proportional to 104,611.24, 144,363.84 and 56,864.74 is: 78,473.52
Step by Step Solution
- Step 1: Write the proportion equation
104,611.24 : 144,363.84 = 56,864.74 : x - Step 2: Convert to fraction form
104,611.24/144,363.84 = 56,864.74/x - Step 3: Cross multiply
104,611.24x = 144,363.84 × 56,864.74 - Step 4: Simplify right side
104,611.24x = 8,209,212,227.00 - Step 5: Solve for x
x = 8,209,212,227.00/104,611.24 - Step 6: Final answer
x = 78,473.52
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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.