Finding the Fourth Proportional to 73,437.75, 101,344.38 and 39,903.75
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Solution
The fourth proportional to 73,437.75, 101,344.38 and 39,903.75 is: 55,067.33
Step by Step Solution
- Step 1: Write the proportion equation
73,437.75 : 101,344.38 = 39,903.75 : x - Step 2: Convert to fraction form
73,437.75/101,344.38 = 39,903.75/x - Step 3: Cross multiply
73,437.75x = 101,344.38 × 39,903.75 - Step 4: Simplify right side
73,437.75x = 4,044,020,803.43 - Step 5: Solve for x
x = 4,044,020,803.43/73,437.75 - Step 6: Final answer
x = 55,067.33
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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.