Finding the Fourth Proportional to 73,640.75, 101,624.24 and 40,106.75
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Solution
The fourth proportional to 73,640.75, 101,624.24 and 40,106.75 is: 55,347.32
Step by Step Solution
- Step 1: Write the proportion equation
73,640.75 : 101,624.24 = 40,106.75 : x - Step 2: Convert to fraction form
73,640.75/101,624.24 = 40,106.75/x - Step 3: Cross multiply
73,640.75x = 101,624.24 × 40,106.75 - Step 4: Simplify right side
73,640.75x = 4,075,817,987.62 - Step 5: Solve for x
x = 4,075,817,987.62/73,640.75 - Step 6: Final answer
x = 55,347.32
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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.