Finding the Fourth Proportional to 75,280.24, 103,888.56 and 41,290.12
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Solution
The fourth proportional to 75,280.24, 103,888.56 and 41,290.12 is: 56,981.37
Step by Step Solution
- Step 1: Write the proportion equation
75,280.24 : 103,888.56 = 41,290.12 : x - Step 2: Convert to fraction form
75,280.24/103,888.56 = 41,290.12/x - Step 3: Cross multiply
75,280.24x = 103,888.56 × 41,290.12 - Step 4: Simplify right side
75,280.24x = 4,289,571,109.03 - Step 5: Solve for x
x = 4,289,571,109.03/75,280.24 - Step 6: Final answer
x = 56,981.37
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1.5x scale
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.