Finding the Fourth Proportional to 77,837.13, 107,407.49 and 43,844.67
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Solution
The fourth proportional to 77,837.13, 107,407.49 and 43,844.67 is: 60,501.28
Step by Step Solution
- Step 1: Write the proportion equation
77,837.13 : 107,407.49 = 43,844.67 : x - Step 2: Convert to fraction form
77,837.13/107,407.49 = 43,844.67/x - Step 3: Cross multiply
77,837.13x = 107,407.49 × 43,844.67 - Step 4: Simplify right side
77,837.13x = 4,709,245,735.35 - Step 5: Solve for x
x = 4,709,245,735.35/77,837.13 - Step 6: Final answer
x = 60,501.28
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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.