Finding the Fourth Proportional to 86,792.83, 119,768.44 and 48,545.75
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Solution
The fourth proportional to 86,792.83, 119,768.44 and 48,545.75 is: 66,989.97
Step by Step Solution
- Step 1: Write the proportion equation
86,792.83 : 119,768.44 = 48,545.75 : x - Step 2: Convert to fraction form
86,792.83/119,768.44 = 48,545.75/x - Step 3: Cross multiply
86,792.83x = 119,768.44 × 48,545.75 - Step 4: Simplify right side
86,792.83x = 5,814,248,746.13 - Step 5: Solve for x
x = 5,814,248,746.13/86,792.83 - Step 6: Final answer
x = 66,989.97
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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.