Finding the Fourth Proportional to 71,569.98, 107,318.52 and 27,162.95
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Solution
The fourth proportional to 71,569.98, 107,318.52 and 27,162.95 is: 40,730.58
Step by Step Solution
- Step 1: Write the proportion equation
71,569.98 : 107,318.52 = 27,162.95 : x - Step 2: Convert to fraction form
71,569.98/107,318.52 = 27,162.95/x - Step 3: Cross multiply
71,569.98x = 107,318.52 × 27,162.95 - Step 4: Simplify right side
71,569.98x = 2,915,087,056.24 - Step 5: Solve for x
x = 2,915,087,056.24/71,569.98 - Step 6: Final answer
x = 40,730.58
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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.