Finding the Fourth Proportional to 77,195.00, 106,533.80 and 43,202.79
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Solution
The fourth proportional to 77,195.00, 106,533.80 and 43,202.79 is: 59,622.48
Step by Step Solution
- Step 1: Write the proportion equation
77,195.00 : 106,533.80 = 43,202.79 : x - Step 2: Convert to fraction form
77,195.00/106,533.80 = 43,202.79/x - Step 3: Cross multiply
77,195.00x = 106,533.80 × 43,202.79 - Step 4: Simplify right side
77,195.00x = 4,602,557,173.29 - Step 5: Solve for x
x = 4,602,557,173.29/77,195.00 - Step 6: Final answer
x = 59,622.48
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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.