Finding the Fourth Proportional to 88,033.58, 121,485.99 and 47,747.18
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Solution
The fourth proportional to 88,033.58, 121,485.99 and 47,747.18 is: 65,890.92
Step by Step Solution
- Step 1: Write the proportion equation
88,033.58 : 121,485.99 = 47,747.18 : x - Step 2: Convert to fraction form
88,033.58/121,485.99 = 47,747.18/x - Step 3: Cross multiply
88,033.58x = 121,485.99 × 47,747.18 - Step 4: Simplify right side
88,033.58x = 5,800,613,432.01 - Step 5: Solve for x
x = 5,800,613,432.01/88,033.58 - Step 6: Final answer
x = 65,890.92
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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.