Finding the Fourth Proportional to 96,221.18, 132,784.35 and 53,203.65
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Solution
The fourth proportional to 96,221.18, 132,784.35 and 53,203.65 is: 73,420.55
Step by Step Solution
- Step 1: Write the proportion equation
96,221.18 : 132,784.35 = 53,203.65 : x - Step 2: Convert to fraction form
96,221.18/132,784.35 = 53,203.65/x - Step 3: Cross multiply
96,221.18x = 132,784.35 × 53,203.65 - Step 4: Simplify right side
96,221.18x = 7,064,612,082.88 - Step 5: Solve for x
x = 7,064,612,082.88/96,221.18 - Step 6: Final answer
x = 73,420.55
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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.