Finding the Fourth Proportional to 80,215.63, 110,700.89 and 44,404.99
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Solution
The fourth proportional to 80,215.63, 110,700.89 and 44,404.99 is: 61,280.72
Step by Step Solution
- Step 1: Write the proportion equation
80,215.63 : 110,700.89 = 44,404.99 : x - Step 2: Convert to fraction form
80,215.63/110,700.89 = 44,404.99/x - Step 3: Cross multiply
80,215.63x = 110,700.89 × 44,404.99 - Step 4: Simplify right side
80,215.63x = 4,915,671,691.42 - Step 5: Solve for x
x = 4,915,671,691.42/80,215.63 - Step 6: Final answer
x = 61,280.72
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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.