Finding the Fourth Proportional to 61,750.17, 85,214.70 and 33,455.79
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Solution
The fourth proportional to 61,750.17, 85,214.70 and 33,455.79 is: 46,168.70
Step by Step Solution
- Step 1: Write the proportion equation
61,750.17 : 85,214.70 = 33,455.79 : x - Step 2: Convert to fraction form
61,750.17/85,214.70 = 33,455.79/x - Step 3: Cross multiply
61,750.17x = 85,214.70 × 33,455.79 - Step 4: Simplify right side
61,750.17x = 2,850,925,108.11 - Step 5: Solve for x
x = 2,850,925,108.11/61,750.17 - Step 6: Final answer
x = 46,168.70
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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.