Finding the Fourth Proportional to 104,617.24, 144,374.64 and 56,873.80
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Solution
The fourth proportional to 104,617.24, 144,374.64 and 56,873.80 is: 78,487.39
Step by Step Solution
- Step 1: Write the proportion equation
104,617.24 : 144,374.64 = 56,873.80 : x - Step 2: Convert to fraction form
104,617.24/144,374.64 = 56,873.80/x - Step 3: Cross multiply
104,617.24x = 144,374.64 × 56,873.80 - Step 4: Simplify right side
104,617.24x = 8,211,134,400.43 - Step 5: Solve for x
x = 8,211,134,400.43/104,617.24 - Step 6: Final answer
x = 78,487.39
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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.