Finding the Fourth Proportional to 79,235.99, 118,555.92 and 55,589.66
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Solution
The fourth proportional to 79,235.99, 118,555.92 and 55,589.66 is: 83,175.38
Step by Step Solution
- Step 1: Write the proportion equation
79,235.99 : 118,555.92 = 55,589.66 : x - Step 2: Convert to fraction form
79,235.99/118,555.92 = 55,589.66/x - Step 3: Cross multiply
79,235.99x = 118,555.92 × 55,589.66 - Step 4: Simplify right side
79,235.99x = 6,590,483,135.59 - Step 5: Solve for x
x = 6,590,483,135.59/79,235.99 - Step 6: Final answer
x = 83,175.38
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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.