Finding the Fourth Proportional to 71,890.20, 107,848.08 and 24,502.80
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Solution
The fourth proportional to 71,890.20, 107,848.08 and 24,502.80 is: 36,758.56
Step by Step Solution
- Step 1: Write the proportion equation
71,890.20 : 107,848.08 = 24,502.80 : x - Step 2: Convert to fraction form
71,890.20/107,848.08 = 24,502.80/x - Step 3: Cross multiply
71,890.20x = 107,848.08 × 24,502.80 - Step 4: Simplify right side
71,890.20x = 2,642,579,934.62 - Step 5: Solve for x
x = 2,642,579,934.62/71,890.20 - Step 6: Final answer
x = 36,758.56
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.