Finding the Fourth Proportional to 88,991.67, 122,852.94 and 51,258.63
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Solution
The fourth proportional to 88,991.67, 122,852.94 and 51,258.63 is: 70,762.50
Step by Step Solution
- Step 1: Write the proportion equation
88,991.67 : 122,852.94 = 51,258.63 : x - Step 2: Convert to fraction form
88,991.67/122,852.94 = 51,258.63/x - Step 3: Cross multiply
88,991.67x = 122,852.94 × 51,258.63 - Step 4: Simplify right side
88,991.67x = 6,297,273,395.87 - Step 5: Solve for x
x = 6,297,273,395.87/88,991.67 - Step 6: Final answer
x = 70,762.50
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1.5x scale
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.