Finding the Fourth Proportional to 85,844.05, 118,466.23 and 47,605.21
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Solution
The fourth proportional to 85,844.05, 118,466.23 and 47,605.21 is: 65,695.99
Step by Step Solution
- Step 1: Write the proportion equation
85,844.05 : 118,466.23 = 47,605.21 : x - Step 2: Convert to fraction form
85,844.05/118,466.23 = 47,605.21/x - Step 3: Cross multiply
85,844.05x = 118,466.23 × 47,605.21 - Step 4: Simplify right side
85,844.05x = 5,639,609,757.06 - Step 5: Solve for x
x = 5,639,609,757.06/85,844.05 - Step 6: Final answer
x = 65,695.99
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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.