Finding the Fourth Proportional to 85,723.63, 118,297.36 and 47,483.05
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Solution
The fourth proportional to 85,723.63, 118,297.36 and 47,483.05 is: 65,525.92
Step by Step Solution
- Step 1: Write the proportion equation
85,723.63 : 118,297.36 = 47,483.05 : x - Step 2: Convert to fraction form
85,723.63/118,297.36 = 47,483.05/x - Step 3: Cross multiply
85,723.63x = 118,297.36 × 47,483.05 - Step 4: Simplify right side
85,723.63x = 5,617,120,027.41 - Step 5: Solve for x
x = 5,617,120,027.41/85,723.63 - Step 6: Final answer
x = 65,525.92
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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.