Finding the Fourth Proportional to 90,537.93, 124,941.12 and 50,251.58
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Solution
The fourth proportional to 90,537.93, 124,941.12 and 50,251.58 is: 69,346.49
Step by Step Solution
- Step 1: Write the proportion equation
90,537.93 : 124,941.12 = 50,251.58 : x - Step 2: Convert to fraction form
90,537.93/124,941.12 = 50,251.58/x - Step 3: Cross multiply
90,537.93x = 124,941.12 × 50,251.58 - Step 4: Simplify right side
90,537.93x = 6,278,488,062.26 - Step 5: Solve for x
x = 6,278,488,062.26/90,537.93 - Step 6: Final answer
x = 69,346.49
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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.