Finding the Fourth Proportional to 79,828.99, 110,164.76 and 44,020.29
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Solution
The fourth proportional to 79,828.99, 110,164.76 and 44,020.29 is: 60,748.41
Step by Step Solution
- Step 1: Write the proportion equation
79,828.99 : 110,164.76 = 44,020.29 : x - Step 2: Convert to fraction form
79,828.99/110,164.76 = 44,020.29/x - Step 3: Cross multiply
79,828.99x = 110,164.76 × 44,020.29 - Step 4: Simplify right side
79,828.99x = 4,849,483,912.06 - Step 5: Solve for x
x = 4,849,483,912.06/79,828.99 - Step 6: Final answer
x = 60,748.41
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1.5x scale
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.