Finding the Fourth Proportional to 103,908.02, 143,393.09 and 58,586.09
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Solution
The fourth proportional to 103,908.02, 143,393.09 and 58,586.09 is: 80,848.81
Step by Step Solution
- Step 1: Write the proportion equation
103,908.02 : 143,393.09 = 58,586.09 : x - Step 2: Convert to fraction form
103,908.02/143,393.09 = 58,586.09/x - Step 3: Cross multiply
103,908.02x = 143,393.09 × 58,586.09 - Step 4: Simplify right side
103,908.02x = 8,400,839,466.22 - Step 5: Solve for x
x = 8,400,839,466.22/103,908.02 - Step 6: Final answer
x = 80,848.81
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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.