Finding the Fourth Proportional to 75,869.08, 113,818.27 and 29,118.31
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Solution
The fourth proportional to 75,869.08, 113,818.27 and 29,118.31 is: 43,683.09
Step by Step Solution
- Step 1: Write the proportion equation
75,869.08 : 113,818.27 = 29,118.31 : x - Step 2: Convert to fraction form
75,869.08/113,818.27 = 29,118.31/x - Step 3: Cross multiply
75,869.08x = 113,818.27 × 29,118.31 - Step 4: Simplify right side
75,869.08x = 3,314,195,596.73 - Step 5: Solve for x
x = 3,314,195,596.73/75,869.08 - Step 6: Final answer
x = 43,683.09
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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.