Finding the Fourth Proportional to 75,617.06, 113,435.97 and 25,683.75
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Solution
The fourth proportional to 75,617.06, 113,435.97 and 25,683.75 is: 38,529.15
Step by Step Solution
- Step 1: Write the proportion equation
75,617.06 : 113,435.97 = 25,683.75 : x - Step 2: Convert to fraction form
75,617.06/113,435.97 = 25,683.75/x - Step 3: Cross multiply
75,617.06x = 113,435.97 × 25,683.75 - Step 4: Simplify right side
75,617.06x = 2,913,461,094.49 - Step 5: Solve for x
x = 2,913,461,094.49/75,617.06 - Step 6: Final answer
x = 38,529.15
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1.5x scale
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.