Finding the Fourth Proportional to 79,930.77, 110,303.84 and 44,120.77
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Solution
The fourth proportional to 79,930.77, 110,303.84 and 44,120.77 is: 60,886.32
Step by Step Solution
- Step 1: Write the proportion equation
79,930.77 : 110,303.84 = 44,120.77 : x - Step 2: Convert to fraction form
79,930.77/110,303.84 = 44,120.77/x - Step 3: Cross multiply
79,930.77x = 110,303.84 × 44,120.77 - Step 4: Simplify right side
79,930.77x = 4,866,690,354.76 - Step 5: Solve for x
x = 4,866,690,354.76/79,930.77 - Step 6: Final answer
x = 60,886.32
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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.