Finding the Fourth Proportional to 79,930.24, 110,303.76 and 44,120.26
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Solution
The fourth proportional to 79,930.24, 110,303.76 and 44,120.26 is: 60,885.97
Step by Step Solution
- Step 1: Write the proportion equation
79,930.24 : 110,303.76 = 44,120.26 : x - Step 2: Convert to fraction form
79,930.24/110,303.76 = 44,120.26/x - Step 3: Cross multiply
79,930.24x = 110,303.76 × 44,120.26 - Step 4: Simplify right side
79,930.24x = 4,866,630,570.18 - Step 5: Solve for x
x = 4,866,630,570.18/79,930.24 - Step 6: Final answer
x = 60,885.97
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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.