Finding the Fourth Proportional to 73,445.50, 101,355.06 and 39,911.50
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Solution
The fourth proportional to 73,445.50, 101,355.06 and 39,911.50 is: 55,078.02
Step by Step Solution
- Step 1: Write the proportion equation
73,445.50 : 101,355.06 = 39,911.50 : x - Step 2: Convert to fraction form
73,445.50/101,355.06 = 39,911.50/x - Step 3: Cross multiply
73,445.50x = 101,355.06 × 39,911.50 - Step 4: Simplify right side
73,445.50x = 4,045,232,477.19 - Step 5: Solve for x
x = 4,045,232,477.19/73,445.50 - Step 6: Final answer
x = 55,078.02
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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.