Finding the Fourth Proportional to 75,124.40, 103,671.98 and 41,136.04
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Solution
The fourth proportional to 75,124.40, 103,671.98 and 41,136.04 is: 56,767.90
Step by Step Solution
- Step 1: Write the proportion equation
75,124.40 : 103,671.98 = 41,136.04 : x - Step 2: Convert to fraction form
75,124.40/103,671.98 = 41,136.04/x - Step 3: Cross multiply
75,124.40x = 103,671.98 × 41,136.04 - Step 4: Simplify right side
75,124.40x = 4,264,654,716.16 - Step 5: Solve for x
x = 4,264,654,716.16/75,124.40 - Step 6: Final answer
x = 56,767.90
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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.