Finding the Fourth Proportional to 110,694.99, 152,743.68 and 62,943.06
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Solution
The fourth proportional to 110,694.99, 152,743.68 and 62,943.06 is: 86,852.66
Step by Step Solution
- Step 1: Write the proportion equation
110,694.99 : 152,743.68 = 62,943.06 : x - Step 2: Convert to fraction form
110,694.99/152,743.68 = 62,943.06/x - Step 3: Cross multiply
110,694.99x = 152,743.68 × 62,943.06 - Step 4: Simplify right side
110,694.99x = 9,614,154,614.86 - Step 5: Solve for x
x = 9,614,154,614.86/110,694.99 - Step 6: Final answer
x = 86,852.66
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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.