Finding the Fourth Proportional to 91,963.96, 126,798.94 and 71,551.96
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Solution
The fourth proportional to 91,963.96, 126,798.94 and 71,551.96 is: 98,655.09
Step by Step Solution
- Step 1: Write the proportion equation
91,963.96 : 126,798.94 = 71,551.96 : x - Step 2: Convert to fraction form
91,963.96/126,798.94 = 71,551.96/x - Step 3: Cross multiply
91,963.96x = 126,798.94 × 71,551.96 - Step 4: Simplify right side
91,963.96x = 9,072,712,682.92 - Step 5: Solve for x
x = 9,072,712,682.92/91,963.96 - Step 6: Final answer
x = 98,655.09
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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.