Finding the Fourth Proportional to 75,113.71, 103,656.99 and 46,819.42
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Solution
The fourth proportional to 75,113.71, 103,656.99 and 46,819.42 is: 64,610.84
Step by Step Solution
- Step 1: Write the proportion equation
75,113.71 : 103,656.99 = 46,819.42 : x - Step 2: Convert to fraction form
75,113.71/103,656.99 = 46,819.42/x - Step 3: Cross multiply
75,113.71x = 103,656.99 × 46,819.42 - Step 4: Simplify right side
75,113.71x = 4,853,160,150.75 - Step 5: Solve for x
x = 4,853,160,150.75/75,113.71 - Step 6: Final answer
x = 64,610.84
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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.