Finding the Fourth Proportional to 93,993.60, 129,715.92 and 51,556.08
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Solution
The fourth proportional to 93,993.60, 129,715.92 and 51,556.08 is: 71,150.00
Step by Step Solution
- Step 1: Write the proportion equation
93,993.60 : 129,715.92 = 51,556.08 : x - Step 2: Convert to fraction form
93,993.60/129,715.92 = 51,556.08/x - Step 3: Cross multiply
93,993.60x = 129,715.92 × 51,556.08 - Step 4: Simplify right side
93,993.60x = 6,687,644,348.79 - Step 5: Solve for x
x = 6,687,644,348.79/93,993.60 - Step 6: Final answer
x = 71,150.00
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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.