Finding the Fourth Proportional to 85,591.59, 118,122.62 and 47,877.99
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Solution
The fourth proportional to 85,591.59, 118,122.62 and 47,877.99 is: 66,075.11
Step by Step Solution
- Step 1: Write the proportion equation
85,591.59 : 118,122.62 = 47,877.99 : x - Step 2: Convert to fraction form
85,591.59/118,122.62 = 47,877.99/x - Step 3: Cross multiply
85,591.59x = 118,122.62 × 47,877.99 - Step 4: Simplify right side
85,591.59x = 5,655,473,379.74 - Step 5: Solve for x
x = 5,655,473,379.74/85,591.59 - Step 6: Final answer
x = 66,075.11
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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.