Finding the Fourth Proportional to 86,553.30, 119,444.04 and 48,829.98
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Solution
The fourth proportional to 86,553.30, 119,444.04 and 48,829.98 is: 67,385.65
Step by Step Solution
- Step 1: Write the proportion equation
86,553.30 : 119,444.04 = 48,829.98 : x - Step 2: Convert to fraction form
86,553.30/119,444.04 = 48,829.98/x - Step 3: Cross multiply
86,553.30x = 119,444.04 × 48,829.98 - Step 4: Simplify right side
86,553.30x = 5,832,450,084.32 - Step 5: Solve for x
x = 5,832,450,084.32/86,553.30 - Step 6: Final answer
x = 67,385.65
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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.