Finding the Fourth Proportional to 87,802.14, 121,166.96 and 47,515.91
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Solution
The fourth proportional to 87,802.14, 121,166.96 and 47,515.91 is: 65,571.95
Step by Step Solution
- Step 1: Write the proportion equation
87,802.14 : 121,166.96 = 47,515.91 : x - Step 2: Convert to fraction form
87,802.14/121,166.96 = 47,515.91/x - Step 3: Cross multiply
87,802.14x = 121,166.96 × 47,515.91 - Step 4: Simplify right side
87,802.14x = 5,757,357,522.92 - Step 5: Solve for x
x = 5,757,357,522.92/87,802.14 - Step 6: Final answer
x = 65,571.95
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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.