Finding the Fourth Proportional to 83,539.77, 115,291.00 and 47,729.01
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Solution
The fourth proportional to 83,539.77, 115,291.00 and 47,729.01 is: 65,869.53
Step by Step Solution
- Step 1: Write the proportion equation
83,539.77 : 115,291.00 = 47,729.01 : x - Step 2: Convert to fraction form
83,539.77/115,291.00 = 47,729.01/x - Step 3: Cross multiply
83,539.77x = 115,291.00 × 47,729.01 - Step 4: Simplify right side
83,539.77x = 5,502,725,515.44 - Step 5: Solve for x
x = 5,502,725,515.44/83,539.77 - Step 6: Final answer
x = 65,869.53
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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.