Finding the Fourth Proportional to 79,782.23, 110,094.99 and 43,972.13
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Solution
The fourth proportional to 79,782.23, 110,094.99 and 43,972.13 is: 60,679.07
Step by Step Solution
- Step 1: Write the proportion equation
79,782.23 : 110,094.99 = 43,972.13 : x - Step 2: Convert to fraction form
79,782.23/110,094.99 = 43,972.13/x - Step 3: Cross multiply
79,782.23x = 110,094.99 × 43,972.13 - Step 4: Simplify right side
79,782.23x = 4,841,111,212.63 - Step 5: Solve for x
x = 4,841,111,212.63/79,782.23 - Step 6: Final answer
x = 60,679.07
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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.