Finding the Fourth Proportional to 73,895.68, 101,973.90 and 40,361.68
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Solution
The fourth proportional to 73,895.68, 101,973.90 and 40,361.68 is: 55,697.95
Step by Step Solution
- Step 1: Write the proportion equation
73,895.68 : 101,973.90 = 40,361.68 : x - Step 2: Convert to fraction form
73,895.68/101,973.90 = 40,361.68/x - Step 3: Cross multiply
73,895.68x = 101,973.90 × 40,361.68 - Step 4: Simplify right side
73,895.68x = 4,115,837,920.15 - Step 5: Solve for x
x = 4,115,837,920.15/73,895.68 - Step 6: Final answer
x = 55,697.95
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1.5x scale
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.