Finding the Fourth Proportional to 99,017.55, 136,644.26 and 53,695.52
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Solution
The fourth proportional to 99,017.55, 136,644.26 and 53,695.52 is: 74,099.84
Step by Step Solution
- Step 1: Write the proportion equation
99,017.55 : 136,644.26 = 53,695.52 : x - Step 2: Convert to fraction form
99,017.55/136,644.26 = 53,695.52/x - Step 3: Cross multiply
99,017.55x = 136,644.26 × 53,695.52 - Step 4: Simplify right side
99,017.55x = 7,337,185,045.22 - Step 5: Solve for x
x = 7,337,185,045.22/99,017.55 - Step 6: Final answer
x = 74,099.84
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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.