Finding the Fourth Proportional to 75,136.24, 103,681.56 and 41,593.84
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Solution
The fourth proportional to 75,136.24, 103,681.56 and 41,593.84 is: 57,395.93
Step by Step Solution
- Step 1: Write the proportion equation
75,136.24 : 103,681.56 = 41,593.84 : x - Step 2: Convert to fraction form
75,136.24/103,681.56 = 41,593.84/x - Step 3: Cross multiply
75,136.24x = 103,681.56 × 41,593.84 - Step 4: Simplify right side
75,136.24x = 4,312,514,217.59 - Step 5: Solve for x
x = 4,312,514,217.59/75,136.24 - Step 6: Final answer
x = 57,395.93
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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.