Finding the Fourth Proportional to 85,057.99, 117,379.09 and 46,816.71
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Solution
The fourth proportional to 85,057.99, 117,379.09 and 46,816.71 is: 64,606.55
Step by Step Solution
- Step 1: Write the proportion equation
85,057.99 : 117,379.09 = 46,816.71 : x - Step 2: Convert to fraction form
85,057.99/117,379.09 = 46,816.71/x - Step 3: Cross multiply
85,057.99x = 117,379.09 × 46,816.71 - Step 4: Simplify right side
85,057.99x = 5,495,303,260.26 - Step 5: Solve for x
x = 5,495,303,260.26/85,057.99 - Step 6: Final answer
x = 64,606.55
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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.