Finding the Fourth Proportional to 79,133.02, 109,203.04 and 43,323.63
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Solution
The fourth proportional to 79,133.02, 109,203.04 and 43,323.63 is: 59,786.32
Step by Step Solution
- Step 1: Write the proportion equation
79,133.02 : 109,203.04 = 43,323.63 : x - Step 2: Convert to fraction form
79,133.02/109,203.04 = 43,323.63/x - Step 3: Cross multiply
79,133.02x = 109,203.04 × 43,323.63 - Step 4: Simplify right side
79,133.02x = 4,731,071,883.22 - Step 5: Solve for x
x = 4,731,071,883.22/79,133.02 - Step 6: Final answer
x = 59,786.32
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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.