Finding the Fourth Proportional to 90,482.68, 124,854.74 and 50,185.99
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Solution
The fourth proportional to 90,482.68, 124,854.74 and 50,185.99 is: 69,250.36
Step by Step Solution
- Step 1: Write the proportion equation
90,482.68 : 124,854.74 = 50,185.99 : x - Step 2: Convert to fraction form
90,482.68/124,854.74 = 50,185.99/x - Step 3: Cross multiply
90,482.68x = 124,854.74 × 50,185.99 - Step 4: Simplify right side
90,482.68x = 6,265,958,170.03 - Step 5: Solve for x
x = 6,265,958,170.03/90,482.68 - Step 6: Final answer
x = 69,250.36
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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.