Finding the Fourth Proportional to 91,339.24, 126,047.76 and 51,053.02
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Solution
The fourth proportional to 91,339.24, 126,047.76 and 51,053.02 is: 70,452.95
Step by Step Solution
- Step 1: Write the proportion equation
91,339.24 : 126,047.76 = 51,053.02 : x - Step 2: Convert to fraction form
91,339.24/126,047.76 = 51,053.02/x - Step 3: Cross multiply
91,339.24x = 126,047.76 × 51,053.02 - Step 4: Simplify right side
91,339.24x = 6,435,118,812.24 - Step 5: Solve for x
x = 6,435,118,812.24/91,339.24 - Step 6: Final answer
x = 70,452.95
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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.