Finding the Fourth Proportional to 80,237.36, 110,729.76 and 44,428.88
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Solution
The fourth proportional to 80,237.36, 110,729.76 and 44,428.88 is: 61,313.07
Step by Step Solution
- Step 1: Write the proportion equation
80,237.36 : 110,729.76 = 44,428.88 : x - Step 2: Convert to fraction form
80,237.36/110,729.76 = 44,428.88/x - Step 3: Cross multiply
80,237.36x = 110,729.76 × 44,428.88 - Step 4: Simplify right side
80,237.36x = 4,919,599,219.47 - Step 5: Solve for x
x = 4,919,599,219.47/80,237.36 - Step 6: Final answer
x = 61,313.07
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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.