Finding the Fourth Proportional to 86,831.73, 119,832.84 and 48,590.96
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Solution
The fourth proportional to 86,831.73, 119,832.84 and 48,590.96 is: 67,058.35
Step by Step Solution
- Step 1: Write the proportion equation
86,831.73 : 119,832.84 = 48,590.96 : x - Step 2: Convert to fraction form
86,831.73/119,832.84 = 48,590.96/x - Step 3: Cross multiply
86,831.73x = 119,832.84 × 48,590.96 - Step 4: Simplify right side
86,831.73x = 5,822,792,735.13 - Step 5: Solve for x
x = 5,822,792,735.13/86,831.73 - Step 6: Final answer
x = 67,058.35
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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.