Finding the Fourth Proportional to 91,842.99, 126,741.47 and 51,004.95
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Solution
The fourth proportional to 91,842.99, 126,741.47 and 51,004.95 is: 70,385.80
Step by Step Solution
- Step 1: Write the proportion equation
91,842.99 : 126,741.47 = 51,004.95 : x - Step 2: Convert to fraction form
91,842.99/126,741.47 = 51,004.95/x - Step 3: Cross multiply
91,842.99x = 126,741.47 × 51,004.95 - Step 4: Simplify right side
91,842.99x = 6,464,442,085.25 - Step 5: Solve for x
x = 6,464,442,085.25/91,842.99 - Step 6: Final answer
x = 70,385.80
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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.