Finding the Fourth Proportional to 68,752.26, 103,129.35 and 19,504.26
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Solution
The fourth proportional to 68,752.26, 103,129.35 and 19,504.26 is: 29,256.66
Step by Step Solution
- Step 1: Write the proportion equation
68,752.26 : 103,129.35 = 19,504.26 : x - Step 2: Convert to fraction form
68,752.26/103,129.35 = 19,504.26/x - Step 3: Cross multiply
68,752.26x = 103,129.35 × 19,504.26 - Step 4: Simplify right side
68,752.26x = 2,011,461,656.03 - Step 5: Solve for x
x = 2,011,461,656.03/68,752.26 - Step 6: Final answer
x = 29,256.66
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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.