Finding the Fourth Proportional to 75,217.68, 103,762.80 and 58,333.68
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Solution
The fourth proportional to 75,217.68, 103,762.80 and 58,333.68 is: 80,471.32
Step by Step Solution
- Step 1: Write the proportion equation
75,217.68 : 103,762.80 = 58,333.68 : x - Step 2: Convert to fraction form
75,217.68/103,762.80 = 58,333.68/x - Step 3: Cross multiply
75,217.68x = 103,762.80 × 58,333.68 - Step 4: Simplify right side
75,217.68x = 6,052,865,971.10 - Step 5: Solve for x
x = 6,052,865,971.10/75,217.68 - Step 6: Final answer
x = 80,471.32
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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.