Finding the Fourth Proportional to 85,206.08, 117,570.56 and 49,389.09
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Solution
The fourth proportional to 85,206.08, 117,570.56 and 49,389.09 is: 68,148.93
Step by Step Solution
- Step 1: Write the proportion equation
85,206.08 : 117,570.56 = 49,389.09 : x - Step 2: Convert to fraction form
85,206.08/117,570.56 = 49,389.09/x - Step 3: Cross multiply
85,206.08x = 117,570.56 × 49,389.09 - Step 4: Simplify right side
85,206.08x = 5,806,702,722.24 - Step 5: Solve for x
x = 5,806,702,722.24/85,206.08 - Step 6: Final answer
x = 68,148.93
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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.