Finding the Fourth Proportional to 97,696.16, 134,846.16 and 61,903.52
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Solution
The fourth proportional to 97,696.16, 134,846.16 and 61,903.52 is: 85,442.99
Step by Step Solution
- Step 1: Write the proportion equation
97,696.16 : 134,846.16 = 61,903.52 : x - Step 2: Convert to fraction form
97,696.16/134,846.16 = 61,903.52/x - Step 3: Cross multiply
97,696.16x = 134,846.16 × 61,903.52 - Step 4: Simplify right side
97,696.16x = 8,347,451,962.48 - Step 5: Solve for x
x = 8,347,451,962.48/97,696.16 - Step 6: Final answer
x = 85,442.99
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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.