Finding the Fourth Proportional to 85,430.01, 117,892.94 and 47,192.19
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Solution
The fourth proportional to 85,430.01, 117,892.94 and 47,192.19 is: 65,124.95
Step by Step Solution
- Step 1: Write the proportion equation
85,430.01 : 117,892.94 = 47,192.19 : x - Step 2: Convert to fraction form
85,430.01/117,892.94 = 47,192.19/x - Step 3: Cross multiply
85,430.01x = 117,892.94 × 47,192.19 - Step 4: Simplify right side
85,430.01x = 5,563,625,434.67 - Step 5: Solve for x
x = 5,563,625,434.67/85,430.01 - Step 6: Final answer
x = 65,124.95
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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.