Finding the Fourth Proportional to 89,050.98, 122,888.73 and 48,762.81
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Solution
The fourth proportional to 89,050.98, 122,888.73 and 48,762.81 is: 67,291.79
Step by Step Solution
- Step 1: Write the proportion equation
89,050.98 : 122,888.73 = 48,762.81 : x - Step 2: Convert to fraction form
89,050.98/122,888.73 = 48,762.81/x - Step 3: Cross multiply
89,050.98x = 122,888.73 × 48,762.81 - Step 4: Simplify right side
89,050.98x = 5,992,399,792.13 - Step 5: Solve for x
x = 5,992,399,792.13/89,050.98 - Step 6: Final answer
x = 67,291.79
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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.