Finding the Fourth Proportional to 75,762.30, 104,618.08 and 47,516.70
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Solution
The fourth proportional to 75,762.30, 104,618.08 and 47,516.70 is: 65,614.51
Step by Step Solution
- Step 1: Write the proportion equation
75,762.30 : 104,618.08 = 47,516.70 : x - Step 2: Convert to fraction form
75,762.30/104,618.08 = 47,516.70/x - Step 3: Cross multiply
75,762.30x = 104,618.08 × 47,516.70 - Step 4: Simplify right side
75,762.30x = 4,971,105,921.94 - Step 5: Solve for x
x = 4,971,105,921.94/75,762.30 - Step 6: Final answer
x = 65,614.51
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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.