Finding the Fourth Proportional to 75,140.24, 103,693.80 and 41,606.24
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Solution
The fourth proportional to 75,140.24, 103,693.80 and 41,606.24 is: 57,416.76
Step by Step Solution
- Step 1: Write the proportion equation
75,140.24 : 103,693.80 = 41,606.24 : x - Step 2: Convert to fraction form
75,140.24/103,693.80 = 41,606.24/x - Step 3: Cross multiply
75,140.24x = 103,693.80 × 41,606.24 - Step 4: Simplify right side
75,140.24x = 4,314,309,129.31 - Step 5: Solve for x
x = 4,314,309,129.31/75,140.24 - Step 6: Final answer
x = 57,416.76
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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.