Finding the Fourth Proportional to 99,201.24, 136,893.80 and 58,913.96
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Solution
The fourth proportional to 99,201.24, 136,893.80 and 58,913.96 is: 81,298.94
Step by Step Solution
- Step 1: Write the proportion equation
99,201.24 : 136,893.80 = 58,913.96 : x - Step 2: Convert to fraction form
99,201.24/136,893.80 = 58,913.96/x - Step 3: Cross multiply
99,201.24x = 136,893.80 × 58,913.96 - Step 4: Simplify right side
99,201.24x = 8,064,955,320.26 - Step 5: Solve for x
x = 8,064,955,320.26/99,201.24 - Step 6: Final answer
x = 81,298.94
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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.