Finding the Fourth Proportional to 90,860.24, 125,387.12 and 50,573.14
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Solution
The fourth proportional to 90,860.24, 125,387.12 and 50,573.14 is: 69,790.92
Step by Step Solution
- Step 1: Write the proportion equation
90,860.24 : 125,387.12 = 50,573.14 : x - Step 2: Convert to fraction form
90,860.24/125,387.12 = 50,573.14/x - Step 3: Cross multiply
90,860.24x = 125,387.12 × 50,573.14 - Step 4: Simplify right side
90,860.24x = 6,341,219,494.16 - Step 5: Solve for x
x = 6,341,219,494.16/90,860.24 - Step 6: Final answer
x = 69,790.92
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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.