Finding the Fourth Proportional to 76,741.36, 115,127.70 and 32,368.06
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Solution
The fourth proportional to 76,741.36, 115,127.70 and 32,368.06 is: 48,558.70
Step by Step Solution
- Step 1: Write the proportion equation
76,741.36 : 115,127.70 = 32,368.06 : x - Step 2: Convert to fraction form
76,741.36/115,127.70 = 32,368.06/x - Step 3: Cross multiply
76,741.36x = 115,127.70 × 32,368.06 - Step 4: Simplify right side
76,741.36x = 3,726,460,301.26 - Step 5: Solve for x
x = 3,726,460,301.26/76,741.36 - Step 6: Final answer
x = 48,558.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.