Finding the Fourth Proportional to 93,636.75, 129,218.76 and 51,195.63
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Solution
The fourth proportional to 93,636.75, 129,218.76 and 51,195.63 is: 70,649.99
Step by Step Solution
- Step 1: Write the proportion equation
93,636.75 : 129,218.76 = 51,195.63 : x - Step 2: Convert to fraction form
93,636.75/129,218.76 = 51,195.63/x - Step 3: Cross multiply
93,636.75x = 129,218.76 × 51,195.63 - Step 4: Simplify right side
93,636.75x = 6,615,435,826.02 - Step 5: Solve for x
x = 6,615,435,826.02/93,636.75 - Step 6: Final answer
x = 70,649.99
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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.