Finding the Fourth Proportional to 85,598.83, 128,328.65 and 35,716.09
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Solution
The fourth proportional to 85,598.83, 128,328.65 and 35,716.09 is: 53,545.09
Step by Step Solution
- Step 1: Write the proportion equation
85,598.83 : 128,328.65 = 35,716.09 : x - Step 2: Convert to fraction form
85,598.83/128,328.65 = 35,716.09/x - Step 3: Cross multiply
85,598.83x = 128,328.65 × 35,716.09 - Step 4: Simplify right side
85,598.83x = 4,583,396,971.34 - Step 5: Solve for x
x = 4,583,396,971.34/85,598.83 - Step 6: Final answer
x = 53,545.09
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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.