Finding the Fourth Proportional to 97,371.37, 134,378.76 and 54,928.99
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Solution
The fourth proportional to 97,371.37, 134,378.76 and 54,928.99 is: 75,805.54
Step by Step Solution
- Step 1: Write the proportion equation
97,371.37 : 134,378.76 = 54,928.99 : x - Step 2: Convert to fraction form
97,371.37/134,378.76 = 54,928.99/x - Step 3: Cross multiply
97,371.37x = 134,378.76 × 54,928.99 - Step 4: Simplify right side
97,371.37x = 7,381,289,564.25 - Step 5: Solve for x
x = 7,381,289,564.25/97,371.37 - Step 6: Final answer
x = 75,805.54
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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.