Finding the Fourth Proportional to 85,281.03, 117,708.92 and 58,102.09
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Solution
The fourth proportional to 85,281.03, 117,708.92 and 58,102.09 is: 80,195.26
Step by Step Solution
- Step 1: Write the proportion equation
85,281.03 : 117,708.92 = 58,102.09 : x - Step 2: Convert to fraction form
85,281.03/117,708.92 = 58,102.09/x - Step 3: Cross multiply
85,281.03x = 117,708.92 × 58,102.09 - Step 4: Simplify right side
85,281.03x = 6,839,134,263.64 - Step 5: Solve for x
x = 6,839,134,263.64/85,281.03 - Step 6: Final answer
x = 80,195.26
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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.