Finding the Fourth Proportional to 88,637.76, 122,320.88 and 48,351.69
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Solution
The fourth proportional to 88,637.76, 122,320.88 and 48,351.69 is: 66,725.75
Step by Step Solution
- Step 1: Write the proportion equation
88,637.76 : 122,320.88 = 48,351.69 : x - Step 2: Convert to fraction form
88,637.76/122,320.88 = 48,351.69/x - Step 3: Cross multiply
88,637.76x = 122,320.88 × 48,351.69 - Step 4: Simplify right side
88,637.76x = 5,914,421,270.29 - Step 5: Solve for x
x = 5,914,421,270.29/88,637.76 - Step 6: Final answer
x = 66,725.75
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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.