Finding the Fourth Proportional to 97,496.99, 134,546.74 and 57,211.42
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Solution
The fourth proportional to 97,496.99, 134,546.74 and 57,211.42 is: 78,952.28
Step by Step Solution
- Step 1: Write the proportion equation
97,496.99 : 134,546.74 = 57,211.42 : x - Step 2: Convert to fraction form
97,496.99/134,546.74 = 57,211.42/x - Step 3: Cross multiply
97,496.99x = 134,546.74 × 57,211.42 - Step 4: Simplify right side
97,496.99x = 7,697,610,203.06 - Step 5: Solve for x
x = 7,697,610,203.06/97,496.99 - Step 6: Final answer
x = 78,952.28
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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.