Finding the Fourth Proportional to 79,363.62, 118,969.48 and 29,430.36
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Solution
The fourth proportional to 79,363.62, 118,969.48 and 29,430.36 is: 44,117.38
Step by Step Solution
- Step 1: Write the proportion equation
79,363.62 : 118,969.48 = 29,430.36 : x - Step 2: Convert to fraction form
79,363.62/118,969.48 = 29,430.36/x - Step 3: Cross multiply
79,363.62x = 118,969.48 × 29,430.36 - Step 4: Simplify right side
79,363.62x = 3,501,314,625.41 - Step 5: Solve for x
x = 3,501,314,625.41/79,363.62 - Step 6: Final answer
x = 44,117.38
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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.