Finding the Fourth Proportional to 70,866.48, 106,297.82 and 28,735.26
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Solution
The fourth proportional to 70,866.48, 106,297.82 and 28,735.26 is: 43,102.12
Step by Step Solution
- Step 1: Write the proportion equation
70,866.48 : 106,297.82 = 28,735.26 : x - Step 2: Convert to fraction form
70,866.48/106,297.82 = 28,735.26/x - Step 3: Cross multiply
70,866.48x = 106,297.82 × 28,735.26 - Step 4: Simplify right side
70,866.48x = 3,054,495,495.13 - Step 5: Solve for x
x = 3,054,495,495.13/70,866.48 - Step 6: Final answer
x = 43,102.12
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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.