Finding the Fourth Proportional to 85,129.13, 117,479.01 and 46,889.53
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Solution
The fourth proportional to 85,129.13, 117,479.01 and 46,889.53 is: 64,708.00
Step by Step Solution
- Step 1: Write the proportion equation
85,129.13 : 117,479.01 = 46,889.53 : x - Step 2: Convert to fraction form
85,129.13/117,479.01 = 46,889.53/x - Step 3: Cross multiply
85,129.13x = 117,479.01 × 46,889.53 - Step 4: Simplify right side
85,129.13x = 5,508,535,842.97 - Step 5: Solve for x
x = 5,508,535,842.97/85,129.13 - Step 6: Final answer
x = 64,708.00
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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.