Finding the Fourth Proportional to 75,102.24, 103,630.86 and 44,881.20
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Solution
The fourth proportional to 75,102.24, 103,630.86 and 44,881.20 is: 61,929.94
Step by Step Solution
- Step 1: Write the proportion equation
75,102.24 : 103,630.86 = 44,881.20 : x - Step 2: Convert to fraction form
75,102.24/103,630.86 = 44,881.20/x - Step 3: Cross multiply
75,102.24x = 103,630.86 × 44,881.20 - Step 4: Simplify right side
75,102.24x = 4,651,077,353.83 - Step 5: Solve for x
x = 4,651,077,353.83/75,102.24 - Step 6: Final answer
x = 61,929.94
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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.