Finding the Fourth Proportional to 93,107.13, 139,682.56 and 30,777.63
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Solution
The fourth proportional to 93,107.13, 139,682.56 and 30,777.63 is: 46,173.67
Step by Step Solution
- Step 1: Write the proportion equation
93,107.13 : 139,682.56 = 30,777.63 : x - Step 2: Convert to fraction form
93,107.13/139,682.56 = 30,777.63/x - Step 3: Cross multiply
93,107.13x = 139,682.56 × 30,777.63 - Step 4: Simplify right side
93,107.13x = 4,299,098,149.13 - Step 5: Solve for x
x = 4,299,098,149.13/93,107.13 - Step 6: Final answer
x = 46,173.67
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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.