Finding the Fourth Proportional to 83,542.08, 115,277.41 and 47,734.41
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Solution
The fourth proportional to 83,542.08, 115,277.41 and 47,734.41 is: 65,867.39
Step by Step Solution
- Step 1: Write the proportion equation
83,542.08 : 115,277.41 = 47,734.41 : x - Step 2: Convert to fraction form
83,542.08/115,277.41 = 47,734.41/x - Step 3: Cross multiply
83,542.08x = 115,277.41 × 47,734.41 - Step 4: Simplify right side
83,542.08x = 5,502,699,152.68 - Step 5: Solve for x
x = 5,502,699,152.68/83,542.08 - Step 6: Final answer
x = 65,867.39
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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.