Finding the Fourth Proportional to 83,391.12, 125,092.25 and 29,349.38
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Solution
The fourth proportional to 83,391.12, 125,092.25 and 29,349.38 is: 44,026.03
Step by Step Solution
- Step 1: Write the proportion equation
83,391.12 : 125,092.25 = 29,349.38 : x - Step 2: Convert to fraction form
83,391.12/125,092.25 = 29,349.38/x - Step 3: Cross multiply
83,391.12x = 125,092.25 × 29,349.38 - Step 4: Simplify right side
83,391.12x = 3,671,379,980.31 - Step 5: Solve for x
x = 3,671,379,980.31/83,391.12 - Step 6: Final answer
x = 44,026.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.