Finding the Fourth Proportional to 75,690.41, 113,534.71 and 23,100.05
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Solution
The fourth proportional to 75,690.41, 113,534.71 and 23,100.05 is: 34,649.80
Step by Step Solution
- Step 1: Write the proportion equation
75,690.41 : 113,534.71 = 23,100.05 : x - Step 2: Convert to fraction form
75,690.41/113,534.71 = 23,100.05/x - Step 3: Cross multiply
75,690.41x = 113,534.71 × 23,100.05 - Step 4: Simplify right side
75,690.41x = 2,622,657,477.74 - Step 5: Solve for x
x = 2,622,657,477.74/75,690.41 - Step 6: Final answer
x = 34,649.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.