Finding the Fourth Proportional to 75,041.48, 103,512.12 and 49,548.08
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Solution
The fourth proportional to 75,041.48, 103,512.12 and 49,548.08 is: 68,346.56
Step by Step Solution
- Step 1: Write the proportion equation
75,041.48 : 103,512.12 = 49,548.08 : x - Step 2: Convert to fraction form
75,041.48/103,512.12 = 49,548.08/x - Step 3: Cross multiply
75,041.48x = 103,512.12 × 49,548.08 - Step 4: Simplify right side
75,041.48x = 5,128,826,802.73 - Step 5: Solve for x
x = 5,128,826,802.73/75,041.48 - Step 6: Final answer
x = 68,346.56
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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.