Finding the Fourth Proportional to 85,430.76, 117,893.98 and 47,192.94
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Solution
The fourth proportional to 85,430.76, 117,893.98 and 47,192.94 is: 65,126.00
Step by Step Solution
- Step 1: Write the proportion equation
85,430.76 : 117,893.98 = 47,192.94 : x - Step 2: Convert to fraction form
85,430.76/117,893.98 = 47,192.94/x - Step 3: Cross multiply
85,430.76x = 117,893.98 × 47,192.94 - Step 4: Simplify right side
85,430.76x = 5,563,763,524.50 - Step 5: Solve for x
x = 5,563,763,524.50/85,430.76 - Step 6: Final answer
x = 65,126.00
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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.