Finding the Fourth Proportional to 95,115.99, 131,259.81 and 54,829.53
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Solution
The fourth proportional to 95,115.99, 131,259.81 and 54,829.53 is: 75,664.60
Step by Step Solution
- Step 1: Write the proportion equation
95,115.99 : 131,259.81 = 54,829.53 : x - Step 2: Convert to fraction form
95,115.99/131,259.81 = 54,829.53/x - Step 3: Cross multiply
95,115.99x = 131,259.81 × 54,829.53 - Step 4: Simplify right side
95,115.99x = 7,196,913,690.19 - Step 5: Solve for x
x = 7,196,913,690.19/95,115.99 - Step 6: Final answer
x = 75,664.60
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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.