Finding the Fourth Proportional to 105,791.34, 146,001.51 and 58,053.99
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Solution
The fourth proportional to 105,791.34, 146,001.51 and 58,053.99 is: 80,119.70
Step by Step Solution
- Step 1: Write the proportion equation
105,791.34 : 146,001.51 = 58,053.99 : x - Step 2: Convert to fraction form
105,791.34/146,001.51 = 58,053.99/x - Step 3: Cross multiply
105,791.34x = 146,001.51 × 58,053.99 - Step 4: Simplify right side
105,791.34x = 8,475,970,201.52 - Step 5: Solve for x
x = 8,475,970,201.52/105,791.34 - Step 6: Final answer
x = 80,119.70
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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.