Finding the Fourth Proportional to 80,101.12, 110,547.60 and 44,293.84
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Solution
The fourth proportional to 80,101.12, 110,547.60 and 44,293.84 is: 61,129.95
Step by Step Solution
- Step 1: Write the proportion equation
80,101.12 : 110,547.60 = 44,293.84 : x - Step 2: Convert to fraction form
80,101.12/110,547.60 = 44,293.84/x - Step 3: Cross multiply
80,101.12x = 110,547.60 × 44,293.84 - Step 4: Simplify right side
80,101.12x = 4,896,577,706.78 - Step 5: Solve for x
x = 4,896,577,706.78/80,101.12 - Step 6: Final answer
x = 61,129.95
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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.