Finding the Fourth Proportional to 86,474.97, 129,726.06 and 23,297.55
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Solution
The fourth proportional to 86,474.97, 129,726.06 and 23,297.55 is: 34,949.99
Step by Step Solution
- Step 1: Write the proportion equation
86,474.97 : 129,726.06 = 23,297.55 : x - Step 2: Convert to fraction form
86,474.97/129,726.06 = 23,297.55/x - Step 3: Cross multiply
86,474.97x = 129,726.06 × 23,297.55 - Step 4: Simplify right side
86,474.97x = 3,022,299,307.60 - Step 5: Solve for x
x = 3,022,299,307.60/86,474.97 - Step 6: Final answer
x = 34,949.99
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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.