Finding the Fourth Proportional to 85,303.13, 117,717.51 and 47,062.99
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Solution
The fourth proportional to 85,303.13, 117,717.51 and 47,062.99 is: 64,946.48
Step by Step Solution
- Step 1: Write the proportion equation
85,303.13 : 117,717.51 = 47,062.99 : x - Step 2: Convert to fraction form
85,303.13/117,717.51 = 47,062.99/x - Step 3: Cross multiply
85,303.13x = 117,717.51 × 47,062.99 - Step 4: Simplify right side
85,303.13x = 5,540,137,995.95 - Step 5: Solve for x
x = 5,540,137,995.95/85,303.13 - Step 6: Final answer
x = 64,946.48
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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.