Finding the Fourth Proportional to 80,445.93, 111,013.68 and 44,635.17
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Solution
The fourth proportional to 80,445.93, 111,013.68 and 44,635.17 is: 61,595.59
Step by Step Solution
- Step 1: Write the proportion equation
80,445.93 : 111,013.68 = 44,635.17 : x - Step 2: Convert to fraction form
80,445.93/111,013.68 = 44,635.17/x - Step 3: Cross multiply
80,445.93x = 111,013.68 × 44,635.17 - Step 4: Simplify right side
80,445.93x = 4,955,114,479.13 - Step 5: Solve for x
x = 4,955,114,479.13/80,445.93 - Step 6: Final answer
x = 61,595.59
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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.