Finding the Fourth Proportional to 88,367.08, 121,950.84 and 50,641.44
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Solution
The fourth proportional to 88,367.08, 121,950.84 and 50,641.44 is: 69,887.63
Step by Step Solution
- Step 1: Write the proportion equation
88,367.08 : 121,950.84 = 50,641.44 : x - Step 2: Convert to fraction form
88,367.08/121,950.84 = 50,641.44/x - Step 3: Cross multiply
88,367.08x = 121,950.84 × 50,641.44 - Step 4: Simplify right side
88,367.08x = 6,175,766,146.81 - Step 5: Solve for x
x = 6,175,766,146.81/88,367.08 - Step 6: Final answer
x = 69,887.63
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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.