Finding the Fourth Proportional to 75,125.41, 103,669.86 and 41,133.28
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Solution
The fourth proportional to 75,125.41, 103,669.86 and 41,133.28 is: 56,762.17
Step by Step Solution
- Step 1: Write the proportion equation
75,125.41 : 103,669.86 = 41,133.28 : x - Step 2: Convert to fraction form
75,125.41/103,669.86 = 41,133.28/x - Step 3: Cross multiply
75,125.41x = 103,669.86 × 41,133.28 - Step 4: Simplify right side
75,125.41x = 4,264,280,860.59 - Step 5: Solve for x
x = 4,264,280,860.59/75,125.41 - Step 6: Final answer
x = 56,762.17
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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.