Finding the Fourth Proportional to 76,829.99, 115,169.63 and 36,837.63
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Solution
The fourth proportional to 76,829.99, 115,169.63 and 36,837.63 is: 55,220.32
Step by Step Solution
- Step 1: Write the proportion equation
76,829.99 : 115,169.63 = 36,837.63 : x - Step 2: Convert to fraction form
76,829.99/115,169.63 = 36,837.63/x - Step 3: Cross multiply
76,829.99x = 115,169.63 × 36,837.63 - Step 4: Simplify right side
76,829.99x = 4,242,576,032.99 - Step 5: Solve for x
x = 4,242,576,032.99/76,829.99 - Step 6: Final answer
x = 55,220.32
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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.