Finding the Fourth Proportional to 79,001.11, 109,024.14 and 43,192.09
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Solution
The fourth proportional to 79,001.11, 109,024.14 and 43,192.09 is: 59,606.51
Step by Step Solution
- Step 1: Write the proportion equation
79,001.11 : 109,024.14 = 43,192.09 : x - Step 2: Convert to fraction form
79,001.11/109,024.14 = 43,192.09/x - Step 3: Cross multiply
79,001.11x = 109,024.14 × 43,192.09 - Step 4: Simplify right side
79,001.11x = 4,708,980,467.05 - Step 5: Solve for x
x = 4,708,980,467.05/79,001.11 - Step 6: Final answer
x = 59,606.51
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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.