Finding the Fourth Proportional to 97,463.92, 134,477.40 and 57,175.60
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Solution
The fourth proportional to 97,463.92, 134,477.40 and 57,175.60 is: 78,888.95
Step by Step Solution
- Step 1: Write the proportion equation
97,463.92 : 134,477.40 = 57,175.60 : x - Step 2: Convert to fraction form
97,463.92/134,477.40 = 57,175.60/x - Step 3: Cross multiply
97,463.92x = 134,477.40 × 57,175.60 - Step 4: Simplify right side
97,463.92x = 7,688,826,031.44 - Step 5: Solve for x
x = 7,688,826,031.44/97,463.92 - Step 6: Final answer
x = 78,888.95
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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.