Finding the Fourth Proportional to 75,317.99, 103,934.34 and 43,056.09
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Solution
The fourth proportional to 75,317.99, 103,934.34 and 43,056.09 is: 59,414.84
Step by Step Solution
- Step 1: Write the proportion equation
75,317.99 : 103,934.34 = 43,056.09 : x - Step 2: Convert to fraction form
75,317.99/103,934.34 = 43,056.09/x - Step 3: Cross multiply
75,317.99x = 103,934.34 × 43,056.09 - Step 4: Simplify right side
75,317.99x = 4,475,006,297.13 - Step 5: Solve for x
x = 4,475,006,297.13/75,317.99 - Step 6: Final answer
x = 59,414.84
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1.5x scale
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.