Finding the Fourth Proportional to 85,607.43, 118,135.98 and 47,365.98
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Solution
The fourth proportional to 85,607.43, 118,135.98 and 47,365.98 is: 65,363.79
Step by Step Solution
- Step 1: Write the proportion equation
85,607.43 : 118,135.98 = 47,365.98 : x - Step 2: Convert to fraction form
85,607.43/118,135.98 = 47,365.98/x - Step 3: Cross multiply
85,607.43x = 118,135.98 × 47,365.98 - Step 4: Simplify right side
85,607.43x = 5,595,626,465.96 - Step 5: Solve for x
x = 5,595,626,465.96/85,607.43 - Step 6: Final answer
x = 65,363.79
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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.