Finding the Fourth Proportional to 76,753.22, 115,155.96 and 46,827.36
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Solution
The fourth proportional to 76,753.22, 115,155.96 and 46,827.36 is: 70,256.99
Step by Step Solution
- Step 1: Write the proportion equation
76,753.22 : 115,155.96 = 46,827.36 : x - Step 2: Convert to fraction form
76,753.22/115,155.96 = 46,827.36/x - Step 3: Cross multiply
76,753.22x = 115,155.96 × 46,827.36 - Step 4: Simplify right side
76,753.22x = 5,392,449,595.07 - Step 5: Solve for x
x = 5,392,449,595.07/76,753.22 - Step 6: Final answer
x = 70,256.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.