Finding the Fourth Proportional to 71,411.98, 107,130.12 and 24,653.92
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Solution
The fourth proportional to 71,411.98, 107,130.12 and 24,653.92 is: 36,985.07
Step by Step Solution
- Step 1: Write the proportion equation
71,411.98 : 107,130.12 = 24,653.92 : x - Step 2: Convert to fraction form
71,411.98/107,130.12 = 24,653.92/x - Step 3: Cross multiply
71,411.98x = 107,130.12 × 24,653.92 - Step 4: Simplify right side
71,411.98x = 2,641,177,408.07 - Step 5: Solve for x
x = 2,641,177,408.07/71,411.98 - Step 6: Final answer
x = 36,985.07
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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.