Finding the Fourth Proportional to 86,246.58, 119,018.94 and 48,520.80
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Solution
The fourth proportional to 86,246.58, 119,018.94 and 48,520.80 is: 66,957.95
Step by Step Solution
- Step 1: Write the proportion equation
86,246.58 : 119,018.94 = 48,520.80 : x - Step 2: Convert to fraction form
86,246.58/119,018.94 = 48,520.80/x - Step 3: Cross multiply
86,246.58x = 119,018.94 × 48,520.80 - Step 4: Simplify right side
86,246.58x = 5,774,894,183.95 - Step 5: Solve for x
x = 5,774,894,183.95/86,246.58 - Step 6: Final answer
x = 66,957.95
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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.