Finding the Fourth Proportional to 113,771.99, 157,004.25 and 62,785.19
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Solution
The fourth proportional to 113,771.99, 157,004.25 and 62,785.19 is: 86,642.96
Step by Step Solution
- Step 1: Write the proportion equation
113,771.99 : 157,004.25 = 62,785.19 : x - Step 2: Convert to fraction form
113,771.99/157,004.25 = 62,785.19/x - Step 3: Cross multiply
113,771.99x = 157,004.25 × 62,785.19 - Step 4: Simplify right side
113,771.99x = 9,857,541,667.06 - Step 5: Solve for x
x = 9,857,541,667.06/113,771.99 - Step 6: Final answer
x = 86,642.96
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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.